55090674 has 24 divisors (see below), whose sum is σ = 121904640. Its totient is φ = 17972568.

The previous prime is 55090667. The next prime is 55090687. The reversal of 55090674 is 47609055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31714 + ... + 33405.

It is an arithmetic number, because the mean of its divisors is an integer number (5079360).

Almost surely, 2^55090674 is an apocalyptic number.

55090674 is an abundant number, since it is smaller than the sum of its proper divisors (66813966).

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

55090674 is a wasteful number, since it uses less digits than its factorization.

55090674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65174 (or 65171 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 55090674 is about 7422.3092094038. The cubic root of 55090674 is about 380.5041185535.

The spelling of 55090674 in words is "fifty-five million, ninety thousand, six hundred seventy-four".