56215895 has 8 divisors (see below), whose sum is σ = 67952304. Its totient is φ = 44643904.

The previous prime is 56215877. The next prime is 56215897. The reversal of 56215895 is 59851265.

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

It is a cyclic number.

It is not a de Polignac number, because 56215895 - 2¹⁰ = 56214871 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 (56215897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40349 + ... + 41718.

It is an arithmetic number, because the mean of its divisors is an integer number (8494038).

Almost surely, 2^56215895 is an apocalyptic number.

56215895 is a deficient number, since it is larger than the sum of its proper divisors (11736409).

56215895 is a wasteful number, since it uses less digits than its factorization.

56215895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82209.

The product of its digits is 108000, while the sum is 41.

The square root of 56215895 is about 7497.7259885915. The cubic root of 56215895 is about 383.0772635540.

The spelling of 56215895 in words is "fifty-six million, two hundred fifteen thousand, eight hundred ninety-five".