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55574792 = 2371397787
BaseRepresentation
bin1101010000000…
…0000100001000
310212120111021122
43110000010020
5103211343132
65303054412
71243243430
oct324000410
9125514248
1055574792
1129409189
1216741408
13b68a9c0
1475492c0
154d2b912
hex3500108

55574792 has 64 divisors (see below), whose sum is σ = 129736320. Its totient is φ = 21731328.

The previous prime is 55574773. The next prime is 55574801. The reversal of 55574792 is 29747555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70223 + ... + 71009.

It is an arithmetic number, because the mean of its divisors is an integer number (2027130).

Almost surely, 255574792 is an apocalyptic number.

55574792 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55574792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64868160).

55574792 is an abundant number, since it is smaller than the sum of its proper divisors (74161528).

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

55574792 is a wasteful number, since it uses less digits than its factorization.

55574792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 906 counting only the distinct ones).

The product of its digits is 441000, while the sum is 44.

The square root of 55574792 is about 7454.8502332374. The cubic root of 55574792 is about 381.6154495662.

The spelling of 55574792 in words is "fifty-five million, five hundred seventy-four thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 97 104 182 194 364 388 679 728 776 787 1261 1358 1574 2522 2716 3148 5044 5432 5509 6296 8827 10088 10231 11018 17654 20462 22036 35308 40924 44072 70616 71617 76339 81848 143234 152678 286468 305356 534373 572936 610712 992407 1068746 1984814 2137492 3969628 4274984 6946849 7939256 13893698 27787396 55574792