55616456 has 32 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 23565696.

The previous prime is 55616447. The next prime is 55616479. The reversal of 55616456 is 65461655.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596 + ... + 10563.

It is an arithmetic number, because the mean of its divisors is an integer number (3766500).

Almost surely, 2^55616456 is an apocalyptic number.

55616456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55616456 is an abundant number, since it is smaller than the sum of its proper divisors (64911544).

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

55616456 is a wasteful number, since it uses less digits than its factorization.

55616456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11261 (or 11257 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 55616456 is about 7457.6441320299. The cubic root of 55616456 is about 381.7107904806.

The spelling of 55616456 in words is "fifty-five million, six hundred sixteen thousand, four hundred fifty-six".