55061874 has 24 divisors (see below), whose sum is σ = 136344000. Its totient is φ = 15731928.

The previous prime is 55061869. The next prime is 55061899. The reversal of 55061874 is 47816055.

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, 218374 + ... + 218625.

It is an arithmetic number, because the mean of its divisors is an integer number (5681000).

Almost surely, 2^55061874 is an apocalyptic number.

55061874 is an abundant number, since it is smaller than the sum of its proper divisors (81282126).

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

55061874 is a wasteful number, since it uses less digits than its factorization.

55061874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437014 (or 437011 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55061874 is about 7420.3688587563. The cubic root of 55061874 is about 380.4378010447.

The spelling of 55061874 in words is "fifty-five million, sixty-one thousand, eight hundred seventy-four".