56338218 has 24 divisors (see below), whose sum is σ = 123614400. Its totient is φ = 18541224.

The previous prime is 56338207. The next prime is 56338237. The reversal of 56338218 is 81283365.

56338218 is a `hidden beast` number, since 5 + 633 + 8 + 2 + 18 = 666.

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, 18388 + ... + 21231.

It is an arithmetic number, because the mean of its divisors is an integer number (5150600).

Almost surely, 2^56338218 is an apocalyptic number.

56338218 is an abundant number, since it is smaller than the sum of its proper divisors (67276182).

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

56338218 is a wasteful number, since it uses less digits than its factorization.

56338218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39706 (or 39703 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 56338218 is about 7505.8788959055. The cubic root of 56338218 is about 383.3549146430.

It can be divided in two parts, 563 and 38218, that added together give a triangular number (38781 = T₂₇₈).

The spelling of 56338218 in words is "fifty-six million, three hundred thirty-eight thousand, two hundred eighteen".