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55765996 = 22112138863
BaseRepresentation
bin1101010010111…
…0101111101100
310212221012120021
43110232233230
5103234002441
65311131524
71245001036
oct324565754
9125835507
1055765996
1129529900
1216813ba4
13b726a40
147598c56
154d683d1
hex352ebec

55765996 has 36 divisors (see below), whose sum is σ = 115533376. Its totient is φ = 23395680.

The previous prime is 55765991. The next prime is 55766003. The reversal of 55765996 is 69956755.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (55765991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1861 + ... + 10723.

Almost surely, 255765996 is an apocalyptic number.

It is an amenable number.

55765996 is an abundant number, since it is smaller than the sum of its proper divisors (59767380).

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

55765996 is a wasteful number, since it uses less digits than its factorization.

55765996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8902 (or 8889 counting only the distinct ones).

The product of its digits is 2551500, while the sum is 52.

The square root of 55765996 is about 7467.6633560974. The cubic root of 55765996 is about 382.0525954828.

It can be divided in two parts, 557659 and 96, that added together give a palindrome (557755).

The spelling of 55765996 in words is "fifty-five million, seven hundred sixty-five thousand, nine hundred ninety-six".

Divisors: 1 2 4 11 13 22 26 44 52 121 143 242 286 484 572 1573 3146 6292 8863 17726 35452 97493 115219 194986 230438 389972 460876 1072423 1267409 2144846 2534818 4289692 5069636 13941499 27882998 55765996