56953815 has 8 divisors (see below), whose sum is σ = 91126128. Its totient is φ = 30375360.

The previous prime is 56953781. The next prime is 56953817. The reversal of 56953815 is 51835965.

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

It is not a de Polignac number, because 56953815 - 2⁶ = 56953751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56953817) 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, 1898446 + ... + 1898475.

It is an arithmetic number, because the mean of its divisors is an integer number (11390766).

Almost surely, 2^56953815 is an apocalyptic number.

56953815 is a deficient number, since it is larger than the sum of its proper divisors (34172313).

56953815 is a wasteful number, since it uses less digits than its factorization.

56953815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796929.

The product of its digits is 162000, while the sum is 42.

The square root of 56953815 is about 7546.7751390909. The cubic root of 56953815 is about 384.7461417519.

The spelling of 56953815 in words is "fifty-six million, nine hundred fifty-three thousand, eight hundred fifteen".