55624576 has 32 divisors (see below), whose sum is σ = 126647280. Its totient is φ = 23838720.

The previous prime is 55624567. The next prime is 55624601. The reversal of 55624576 is 67542655.

It is a tau number, because it is divible by the number of its divisors (32).

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, 30145 + ... + 31936.

Almost surely, 2^55624576 is an apocalyptic number.

55624576 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55624576 is an abundant number, since it is smaller than the sum of its proper divisors (71022704).

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

55624576 is an equidigital number, since it uses as much as digits as its factorization.

55624576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62102 (or 62090 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 55624576 is about 7458.1885200094. The cubic root of 55624576 is about 381.7293661626.

The spelling of 55624576 in words is "fifty-five million, six hundred twenty-four thousand, five hundred seventy-six".