56015087 has 4 divisors (see below), whose sum is σ = 56644560. Its totient is φ = 55385616.

The previous prime is 56015081. The next prime is 56015093. The reversal of 56015087 is 78051065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78051065 = 5 ⋅15610213.

It is an interprime number because it is at equal distance from previous prime (56015081) and next prime (56015093).

It is a cyclic number.

It is not a de Polignac number, because 56015087 - 2¹² = 56010991 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 (56015081) 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 3 ways as a sum of consecutive naturals, for example, 314603 + ... + 314780.

It is an arithmetic number, because the mean of its divisors is an integer number (14161140).

Almost surely, 2^56015087 is an apocalyptic number.

56015087 is a deficient number, since it is larger than the sum of its proper divisors (629473).

56015087 is an equidigital number, since it uses as much as digits as its factorization.

56015087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629472.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 56015087 is about 7484.3227482518. The cubic root of 56015087 is about 382.6205910799.

The spelling of 56015087 in words is "fifty-six million, fifteen thousand, eighty-seven".