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55726804 = 2271990243
BaseRepresentation
bin1101010010010…
…1001011010100
310212212012210201
43110211023110
5103231224204
65310230244
71244445550
oct324451324
9125765721
1055726804
1129502411
12167b5384
13b711c53
147588860
154d5b9a4
hex35252d4

55726804 has 12 divisors (see below), whose sum is σ = 111453664. Its totient is φ = 23882904.

The previous prime is 55726789. The next prime is 55726841. The reversal of 55726804 is 40862755.

It is a happy number.

55726804 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995094 + ... + 995149.

Almost surely, 255726804 is an apocalyptic number.

It is an amenable number.

55726804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55726804 is a wasteful number, since it uses less digits than its factorization.

55726804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990254 (or 1990252 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55726804 is about 7465.0387808772. The cubic root of 55726804 is about 381.9630731005.

The spelling of 55726804 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 1990243 3980486 7960972 13931701 27863402 55726804