56453215 has 32 divisors (see below), whose sum is σ = 84986496. Its totient is φ = 35043840.

The previous prime is 56453203. The next prime is 56453249. The reversal of 56453215 is 51235465.

It is not a de Polignac number, because 56453215 - 2¹⁵ = 56420447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22945 + ... + 25285.

It is an arithmetic number, because the mean of its divisors is an integer number (2655828).

Almost surely, 2^56453215 is an apocalyptic number.

56453215 is a deficient number, since it is larger than the sum of its proper divisors (28533281).

56453215 is a wasteful number, since it uses less digits than its factorization.

56453215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its digits is 18000, while the sum is 31.

The square root of 56453215 is about 7513.5354527679. The cubic root of 56453215 is about 383.6155707635.

The spelling of 56453215 in words is "fifty-six million, four hundred fifty-three thousand, two hundred fifteen".