56213455 has 8 divisors (see below), whose sum is σ = 69782400. Its totient is φ = 43419936.

The previous prime is 56213411. The next prime is 56213467. The reversal of 56213455 is 55431265.

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 56213455 - 2²⁵ = 22659023 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 193695 + ... + 193984.

It is an arithmetic number, because the mean of its divisors is an integer number (8722800).

Almost surely, 2^56213455 is an apocalyptic number.

56213455 is a deficient number, since it is larger than the sum of its proper divisors (13568945).

56213455 is a wasteful number, since it uses less digits than its factorization.

56213455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387713.

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

The square root of 56213455 is about 7497.5632708234. The cubic root of 56213455 is about 383.0717210999.

The spelling of 56213455 in words is "fifty-six million, two hundred thirteen thousand, four hundred fifty-five".