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55006100520 = 2335734331079
BaseRepresentation
bin110011001110100111…
…100111110000101000
312020222110200102112020
4303032213213300220
51400123030204040
641134111344440
73655050066000
oct631647476050
9166873612466
1055006100520
1121367567508
12a7b1522120
135257c56297
14293b53d000
15166e103cd0
hexcce9e7c28

55006100520 has 256 divisors, whose sum is σ = 196922880000. Its totient is φ = 12280036608.

The previous prime is 55006100519. The next prime is 55006100543. The reversal of 55006100520 is 2500160055.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1754341 + ... + 1785419.

It is an arithmetic number, because the mean of its divisors is an integer number (769230000).

Almost surely, 255006100520 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 55006100520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98461440000).

55006100520 is an abundant number, since it is smaller than the sum of its proper divisors (141916779480).

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

55006100520 is a wasteful number, since it uses less digits than its factorization.

55006100520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31157 (or 31139 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 55006100520 its reverse (2500160055), we get a palindrome (57506260575).

The spelling of 55006100520 in words is "fifty-five billion, six million, one hundred thousand, five hundred twenty".