55899776 has 16 divisors (see below), whose sum is σ = 111363090. Its totient is φ = 27949824.

The previous prime is 55899751. The next prime is 55899787. The reversal of 55899776 is 67799855.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 9985600 = 6776^2 + 3160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218231 + ... + 218486.

Almost surely, 2^55899776 is an apocalyptic number.

It is an amenable number.

55899776 is a deficient number, since it is larger than the sum of its proper divisors (55463314).

55899776 is an equidigital number, since it uses as much as digits as its factorization.

55899776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436731 (or 436719 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 56.

The square root of 55899776 is about 7476.6152769820. The cubic root of 55899776 is about 382.3578602398.

The spelling of 55899776 in words is "fifty-five million, eight hundred ninety-nine thousand, seven hundred seventy-six".