56459015 has 4 divisors (see below), whose sum is σ = 67750824. Its totient is φ = 45167208.

The previous prime is 56458991. The next prime is 56459041. The reversal of 56459015 is 51095465.

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 56459015 - 2¹⁰ = 56457991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 5645897 + ... + 5645906.

It is an arithmetic number, because the mean of its divisors is an integer number (16937706).

Almost surely, 2^56459015 is an apocalyptic number.

56459015 is a deficient number, since it is larger than the sum of its proper divisors (11291809).

56459015 is a wasteful number, since it uses less digits than its factorization.

56459015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291808.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 56459015 is about 7513.9214129508. The cubic root of 56459015 is about 383.6287078607.

The spelling of 56459015 in words is "fifty-six million, four hundred fifty-nine thousand, fifteen".