55182028 has 12 divisors (see below), whose sum is σ = 105347592. Its totient is φ = 25082720.

The previous prime is 55182007. The next prime is 55182031. The reversal of 55182028 is 82028155.

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, 627025 + ... + 627112.

It is an arithmetic number, because the mean of its divisors is an integer number (8778966).

Almost surely, 2^55182028 is an apocalyptic number.

It is an amenable number.

55182028 is a deficient number, since it is larger than the sum of its proper divisors (50165564).

55182028 is a wasteful number, since it uses less digits than its factorization.

55182028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254152 (or 1254150 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 55182028 is about 7428.4606749986. The cubic root of 55182028 is about 380.7143258023.

The spelling of 55182028 in words is "fifty-five million, one hundred eighty-two thousand, twenty-eight".