55412672 has 56 divisors (see below), whose sum is σ = 126552960. Its totient is φ = 23581440.

The previous prime is 55412663. The next prime is 55412699. The reversal of 55412672 is 27621455.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79847 + ... + 80537.

Almost surely, 2^55412672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55412672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63276480).

55412672 is an abundant number, since it is smaller than the sum of its proper divisors (71140288).

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

55412672 is a wasteful number, since it uses less digits than its factorization.

55412672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 879 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 55412672 is about 7443.9688338950. The cubic root of 55412672 is about 381.2440116591.

The spelling of 55412672 in words is "fifty-five million, four hundred twelve thousand, six hundred seventy-two".