56287715 has 8 divisors (see below), whose sum is σ = 73685808. Its totient is φ = 40936480.

The previous prime is 56287703. The next prime is 56287727. The reversal of 56287715 is 51778265.

It is an interprime number because it is at equal distance from previous prime (56287703) and next prime (56287727).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56287715 - 2²⁰ = 55239139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511652 + ... + 511761.

It is an arithmetic number, because the mean of its divisors is an integer number (9210726).

Almost surely, 2^56287715 is an apocalyptic number.

56287715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56287715 is a deficient number, since it is larger than the sum of its proper divisors (17398093).

56287715 is a wasteful number, since it uses less digits than its factorization.

56287715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023429.

The product of its digits is 117600, while the sum is 41.

The square root of 56287715 is about 7502.5139120164. The cubic root of 56287715 is about 383.2403307251.

The spelling of 56287715 in words is "fifty-six million, two hundred eighty-seven thousand, seven hundred fifteen".