55818974 has 8 divisors (see below), whose sum is σ = 84076608. Its totient is φ = 27793440.

The previous prime is 55818937. The next prime is 55818991. The reversal of 55818974 is 47981855.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 57422 + ... + 58385.

It is an arithmetic number, because the mean of its divisors is an integer number (10509576).

Almost surely, 2^55818974 is an apocalyptic number.

55818974 is a deficient number, since it is larger than the sum of its proper divisors (28257634).

55818974 is a wasteful number, since it uses less digits than its factorization.

55818974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116050.

The product of its digits is 403200, while the sum is 47.

The square root of 55818974 is about 7471.2096744771. The cubic root of 55818974 is about 382.1735412069.

The spelling of 55818974 in words is "fifty-five million, eight hundred eighteen thousand, nine hundred seventy-four".