55245818 has 12 divisors (see below), whose sum is σ = 88031022. Its totient is φ = 25997760.

The previous prime is 55245791. The next prime is 55245823. The reversal of 55245818 is 81854255.

It can be written as a sum of positive squares in 3 ways, for example, as 51509329 + 3736489 = 7177^2 + 1933^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47213 + ... + 48368.

Almost surely, 2^55245818 is an apocalyptic number.

55245818 is a deficient number, since it is larger than the sum of its proper divisors (32785204).

55245818 is a wasteful number, since it uses less digits than its factorization.

55245818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95617 (or 95600 counting only the distinct ones).

The product of its digits is 64000, while the sum is 38.

The square root of 55245818 is about 7432.7530565733. The cubic root of 55245818 is about 380.8609702545.

The spelling of 55245818 in words is "fifty-five million, two hundred forty-five thousand, eight hundred eighteen".