55464672 has 24 divisors (see below), whose sum is σ = 145595016. Its totient is φ = 18488192.

The previous prime is 55464671. The next prime is 55464679. The reversal of 55464672 is 27646455.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55464672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55464671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288783 + ... + 288974.

It is an arithmetic number, because the mean of its divisors is an integer number (6066459).

Almost surely, 2^55464672 is an apocalyptic number.

It is an amenable number.

55464672 is an abundant number, since it is smaller than the sum of its proper divisors (90130344).

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

55464672 is a wasteful number, since it uses less digits than its factorization.

55464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577770 (or 577762 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 55464672 is about 7447.4607753247. The cubic root of 55464672 is about 381.3632292187.

The spelling of 55464672 in words is "fifty-five million, four hundred sixty-four thousand, six hundred seventy-two".