56139219 has 12 divisors (see below), whose sum is σ = 85860216. Its totient is φ = 35224512.

The previous prime is 56139211. The next prime is 56139227. The reversal of 56139219 is 91293165.

56139219 is a `hidden beast` number, since 561 + 3 + 92 + 1 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (56139211) and next prime (56139227).

It is not a de Polignac number, because 56139219 - 2³ = 56139211 is a prime.

It is a super-2 number, since 2×56139219² = 6303223819859922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56139211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183309 + ... + 183614.

It is an arithmetic number, because the mean of its divisors is an integer number (7155018).

Almost surely, 2^56139219 is an apocalyptic number.

56139219 is a deficient number, since it is larger than the sum of its proper divisors (29720997).

56139219 is a wasteful number, since it uses less digits than its factorization.

56139219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366946 (or 366943 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 56139219 is about 7492.6109601393. The cubic root of 56139219 is about 382.9030174811.

The spelling of 56139219 in words is "fifty-six million, one hundred thirty-nine thousand, two hundred nineteen".