55472064 has 56 divisors (see below), whose sum is σ = 150205440. Its totient is φ = 18057984.

The previous prime is 55472059. The next prime is 55472089. The reversal of 55472064 is 46027455.

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, 4897 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (2682240).

Almost surely, 2^55472064 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 55472064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75102720).

55472064 is an abundant number, since it is smaller than the sum of its proper divisors (94733376).

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

55472064 is a wasteful number, since it uses less digits than its factorization.

55472064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6777 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 55472064 is about 7447.9570353218. The cubic root of 55472064 is about 381.3801704034.

The spelling of 55472064 in words is "fifty-five million, four hundred seventy-two thousand, sixty-four".