55964556 has 36 divisors (see below), whose sum is σ = 141700104. Its totient is φ = 18624000.

The previous prime is 55964551. The next prime is 55964563. The reversal of 55964556 is 65546955.

55964556 is a `hidden beast` number, since 5 + 5 + 96 + 4 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (55964551) 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, 34156 + ... + 35756.

It is an arithmetic number, because the mean of its divisors is an integer number (3936114).

Almost surely, 2^55964556 is an apocalyptic number.

It is an amenable number.

55964556 is an abundant number, since it is smaller than the sum of its proper divisors (85735548).

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

55964556 is a wasteful number, since it uses less digits than its factorization.

55964556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582 (or 2577 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 55964556 is about 7480.9461968390. The cubic root of 55964556 is about 382.5055029325.

The spelling of 55964556 in words is "fifty-five million, nine hundred sixty-four thousand, five hundred fifty-six".