56011239 has 6 divisors (see below), whose sum is σ = 80905136. Its totient is φ = 37340820.

The previous prime is 56011223. The next prime is 56011271. The reversal of 56011239 is 93211065.

It is not a de Polignac number, because 56011239 - 2⁴ = 56011223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56010239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3111727 + ... + 3111744.

Almost surely, 2^56011239 is an apocalyptic number.

56011239 is a deficient number, since it is larger than the sum of its proper divisors (24893897).

56011239 is a wasteful number, since it uses less digits than its factorization.

56011239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6223477 (or 6223474 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 56011239 is about 7484.0656731485. The cubic root of 56011239 is about 382.6118294062.

The spelling of 56011239 in words is "fifty-six million, eleven thousand, two hundred thirty-nine".