55315028 has 24 divisors (see below), whose sum is σ = 99710688. Its totient is φ = 26834976.

The previous prime is 55315019. The next prime is 55315031. The reversal of 55315028 is 82051355.

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, 27050 + ... + 29022.

It is an arithmetic number, because the mean of its divisors is an integer number (4154612).

Almost surely, 2^55315028 is an apocalyptic number.

It is an amenable number.

55315028 is a deficient number, since it is larger than the sum of its proper divisors (44395660).

55315028 is a wasteful number, since it uses less digits than its factorization.

55315028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2181 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55315028 is about 7437.4073439607. The cubic root of 55315028 is about 381.0199469215.

The spelling of 55315028 in words is "fifty-five million, three hundred fifteen thousand, twenty-eight".