54553664 has 28 divisors (see below), whose sum is σ = 118097808. Its totient is φ = 24796800.

The previous prime is 54553649. The next prime is 54553711. The reversal of 54553664 is 46635545.

It is a happy number.

It is a super-2 number, since 2×54553664² = 5952204511649792, which contains 22 as substring.

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, 38042 + ... + 39449.

Almost surely, 2^54553664 is an apocalyptic number.

It is an amenable number.

54553664 is an abundant number, since it is smaller than the sum of its proper divisors (63544144).

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

54553664 is a wasteful number, since it uses less digits than its factorization.

54553664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77514 (or 77504 counting only the distinct ones).

The product of its digits is 216000, while the sum is 38.

The square root of 54553664 is about 7386.0452205494. The cubic root of 54553664 is about 379.2637267013.

It can be divided in two parts, 5455 and 3664, that added together give a palindrome (9119).

The spelling of 54553664 in words is "fifty-four million, five hundred fifty-three thousand, six hundred sixty-four".