56612238 has 16 divisors (see below), whose sum is σ = 113358720. Its totient is φ = 18848376.

The previous prime is 56612233. The next prime is 56612249. The reversal of 56612238 is 83221665.

It is a junction number, because it is equal to n+sod(n) for n = 56612199 and 56612208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56612233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 381 + ... + 10647.

It is an arithmetic number, because the mean of its divisors is an integer number (7084920).

Almost surely, 2^56612238 is an apocalyptic number.

56612238 is an abundant number, since it is smaller than the sum of its proper divisors (56746482).

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

56612238 is a wasteful number, since it uses less digits than its factorization.

56612238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191.

The product of its digits is 17280, while the sum is 33.

The square root of 56612238 is about 7524.1104457603. The cubic root of 56612238 is about 383.9754351691.

The spelling of 56612238 in words is "fifty-six million, six hundred twelve thousand, two hundred thirty-eight".