55023018 has 16 divisors (see below), whose sum is σ = 110786400. Its totient is φ = 18217616.

The previous prime is 55022983. The next prime is 55023029. The reversal of 55023018 is 81032055.

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, 29880 + ... + 31667.

It is an arithmetic number, because the mean of its divisors is an integer number (6924150).

Almost surely, 2^55023018 is an apocalyptic number.

55023018 is an abundant number, since it is smaller than the sum of its proper divisors (55763382).

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

55023018 is a wasteful number, since it uses less digits than its factorization.

55023018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61701.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55023018 is about 7417.7501980048. The cubic root of 55023018 is about 380.3482910161.

The spelling of 55023018 in words is "fifty-five million, twenty-three thousand, eighteen".