55279374 has 16 divisors (see below), whose sum is σ = 111538512. Its totient is φ = 18263168.

The previous prime is 55279351. The next prime is 55279403. The reversal of 55279374 is 47397255.

It is a congruent number.

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, 40089 + ... + 41444.

It is an arithmetic number, because the mean of its divisors is an integer number (6971157).

Almost surely, 2^55279374 is an apocalyptic number.

55279374 is an abundant number, since it is smaller than the sum of its proper divisors (56259138).

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

55279374 is a wasteful number, since it uses less digits than its factorization.

55279374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81651.

The product of its digits is 264600, while the sum is 42.

The square root of 55279374 is about 7435.0100201681. The cubic root of 55279374 is about 380.9380655866.

The spelling of 55279374 in words is "fifty-five million, two hundred seventy-nine thousand, three hundred seventy-four".