55238574 has 32 divisors (see below), whose sum is σ = 113629824. Its totient is φ = 17892000.

The previous prime is 55238569. The next prime is 55238587. The reversal of 55238574 is 47583255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64332 + ... + 65184.

It is an arithmetic number, because the mean of its divisors is an integer number (3550932).

Almost surely, 2^55238574 is an apocalyptic number.

55238574 is an abundant number, since it is smaller than the sum of its proper divisors (58391250).

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

55238574 is a wasteful number, since it uses less digits than its factorization.

55238574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 168000, while the sum is 39.

The square root of 55238574 is about 7432.2657379833. The cubic root of 55238574 is about 380.8443229765.

The spelling of 55238574 in words is "fifty-five million, two hundred thirty-eight thousand, five hundred seventy-four".