56002159 has 4 divisors (see below), whose sum is σ = 56078680. Its totient is φ = 55925640.

The previous prime is 56002157. The next prime is 56002181. The reversal of 56002159 is 95120065.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56002159 - 2¹ = 56002157 is a prime.

It is a super-2 number, since 2×56002159² = 6272483625322562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56002153) 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, 37152 + ... + 38629.

It is an arithmetic number, because the mean of its divisors is an integer number (14019670).

Almost surely, 2^56002159 is an apocalyptic number.

56002159 is a deficient number, since it is larger than the sum of its proper divisors (76521).

56002159 is an equidigital number, since it uses as much as digits as its factorization.

56002159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76520.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 56002159 is about 7483.4590264129. The cubic root of 56002159 is about 382.5911531799.

The spelling of 56002159 in words is "fifty-six million, two thousand, one hundred fifty-nine".