56039017 has 4 divisors (see below), whose sum is σ = 58475520. Its totient is φ = 53602516.

The previous prime is 56038981. The next prime is 56039023. The reversal of 56039017 is 71093065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56039017 - 2¹¹ = 56036969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56039017.

It is not an unprimeable number, because it can be changed into a prime (56039077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218217 + ... + 1218262.

It is an arithmetic number, because the mean of its divisors is an integer number (14618880).

Almost surely, 2^56039017 is an apocalyptic number.

It is an amenable number.

56039017 is a deficient number, since it is larger than the sum of its proper divisors (2436503).

56039017 is a wasteful number, since it uses less digits than its factorization.

56039017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436502.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 56039017 is about 7485.9212525914. The cubic root of 56039017 is about 382.6750693029.

The spelling of 56039017 in words is "fifty-six million, thirty-nine thousand, seventeen".