55522028 has 12 divisors (see below), whose sum is σ = 102277560. Its totient is φ = 26299872.

The previous prime is 55522013. The next prime is 55522031. The reversal of 55522028 is 82022555.

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, 365201 + ... + 365352.

It is an arithmetic number, because the mean of its divisors is an integer number (8523130).

Almost surely, 2^55522028 is an apocalyptic number.

It is an amenable number.

55522028 is a deficient number, since it is larger than the sum of its proper divisors (46755532).

55522028 is a wasteful number, since it uses less digits than its factorization.

55522028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730576 (or 730574 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 55522028 is about 7451.3104887664. The cubic root of 55522028 is about 381.4946397973.

The spelling of 55522028 in words is "fifty-five million, five hundred twenty-two thousand, twenty-eight".