55628464 has 20 divisors (see below), whose sum is σ = 110694304. Its totient is φ = 27062208.

The previous prime is 55628459. The next prime is 55628491. The reversal of 55628464 is 46482655.

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 3 ways as a sum of consecutive naturals, for example, 46392 + ... + 47575.

Almost surely, 2^55628464 is an apocalyptic number.

It is an amenable number.

55628464 is a deficient number, since it is larger than the sum of its proper divisors (55065840).

55628464 is a wasteful number, since it uses less digits than its factorization.

55628464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94012 (or 94006 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 55628464 is about 7458.4491685604. The cubic root of 55628464 is about 381.7382598885.

The spelling of 55628464 in words is "fifty-five million, six hundred twenty-eight thousand, four hundred sixty-four".