56534015 has 4 divisors (see below), whose sum is σ = 67840824. Its totient is φ = 45227208.

The previous prime is 56534003. The next prime is 56534033. The reversal of 56534015 is 51043565.

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 56534015 - 2¹⁴ = 56517631 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5653397 + ... + 5653406.

It is an arithmetic number, because the mean of its divisors is an integer number (16960206).

Almost surely, 2^56534015 is an apocalyptic number.

56534015 is a deficient number, since it is larger than the sum of its proper divisors (11306809).

56534015 is a wasteful number, since it uses less digits than its factorization.

56534015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11306808.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 56534015 is about 7518.9104928839. The cubic root of 56534015 is about 383.7985031373.

The spelling of 56534015 in words is "fifty-six million, five hundred thirty-four thousand, fifteen".