55452372 has 12 divisors (see below), whose sum is σ = 129388896. Its totient is φ = 18484120.

The previous prime is 55452367. The next prime is 55452401. The reversal of 55452372 is 27325455.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 2310504 + ... + 2310527.

It is an arithmetic number, because the mean of its divisors is an integer number (10782408).

Almost surely, 2^55452372 is an apocalyptic number.

It is an amenable number.

55452372 is an abundant number, since it is smaller than the sum of its proper divisors (73936524).

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

55452372 is a wasteful number, since it uses less digits than its factorization.

55452372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621038 (or 4621036 counting only the distinct ones).

The product of its digits is 42000, while the sum is 33.

The square root of 55452372 is about 7446.6349447250. The cubic root of 55452372 is about 381.3350364109.

The spelling of 55452372 in words is "fifty-five million, four hundred fifty-two thousand, three hundred seventy-two".