56572215 has 48 divisors (see below), whose sum is σ = 110862720. Its totient is φ = 24494400.

The previous prime is 56572213. The next prime is 56572231. The reversal of 56572215 is 51227565.

It is not a de Polignac number, because 56572215 - 2¹ = 56572213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56572213) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 11940 + ... + 15990.

It is an arithmetic number, because the mean of its divisors is an integer number (2309640).

Almost surely, 2^56572215 is an apocalyptic number.

56572215 is a deficient number, since it is larger than the sum of its proper divisors (54290505).

56572215 is a wasteful number, since it uses less digits than its factorization.

56572215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4092 (or 4085 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 56572215 is about 7521.4503255689. The cubic root of 56572215 is about 383.8849278139.

The spelling of 56572215 in words is "fifty-six million, five hundred seventy-two thousand, two hundred fifteen".