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55267472764 = 22719731499551
BaseRepresentation
bin110011011110001100…
…101011010101111100
312021122200111111211201
4303132030223111330
51401141433112024
641220045425244
73664402524130
oct633614532574
9167580444751
1055267472764
1121491058329
12a864b6b224
13529a14b00a
1429641393c0
151687032744
hexcde32b57c

55267472764 has 96 divisors (see below), whose sum is σ = 118750464000. Its totient is φ = 21981196800.

The previous prime is 55267472737. The next prime is 55267472779. The reversal of 55267472764 is 46727476255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5781789 + ... + 5791339.

It is an arithmetic number, because the mean of its divisors is an integer number (1236984000).

Almost surely, 255267472764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55267472764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59375232000).

55267472764 is an abundant number, since it is smaller than the sum of its proper divisors (63482991236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55267472764 is a wasteful number, since it uses less digits than its factorization.

55267472764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803 (or 9801 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 55.

The spelling of 55267472764 in words is "fifty-five billion, two hundred sixty-seven million, four hundred seventy-two thousand, seven hundred sixty-four".

Divisors: 1 2 4 7 14 19 28 38 73 76 133 146 149 266 292 298 511 532 596 1022 1043 1387 2044 2086 2774 2831 4172 5548 5662 9551 9709 10877 11324 19102 19418 19817 21754 38204 38836 39634 43508 66857 76139 79268 133714 152278 181469 206663 267428 304556 362938 413326 697223 725876 826652 1270283 1394446 1423099 1446641 2540566 2788892 2846198 2893282 4880561 5081132 5692396 5786564 9761122 9961693 13247237 19522244 19923386 26494474 27038881 39846772 52988948 54077762 92730659 103886227 108155524 185461318 189272167 207772454 370922636 378544334 415544908 727203589 757088668 1454407178 1973838313 2908814356 3947676626 7895353252 13816868191 27633736382 55267472764