55558464 has 56 divisors (see below), whose sum is σ = 158313120. Its totient is φ = 17094144.

The previous prime is 55558429. The next prime is 55558483. The reversal of 55558464 is 46485555.

It is a congruent number.

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, 8634 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (2827020).

Almost surely, 2^55558464 is an apocalyptic number.

It is an amenable number.

55558464 is an abundant number, since it is smaller than the sum of its proper divisors (102754656).

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

55558464 is a wasteful number, since it uses less digits than its factorization.

55558464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22287 (or 22277 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The square root of 55558464 is about 7453.7550268304. The cubic root of 55558464 is about 381.5780727438.

The spelling of 55558464 in words is "fifty-five million, five hundred fifty-eight thousand, four hundred sixty-four".