56646455 has 8 divisors (see below), whose sum is σ = 70168704. Its totient is φ = 43855200.

The previous prime is 56646451. The next prime is 56646479. The reversal of 56646455 is 55464665.

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

It is not a de Polignac number, because 56646455 - 2² = 56646451 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 (56646451) 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, 182576 + ... + 182885.

It is an arithmetic number, because the mean of its divisors is an integer number (8771088).

Almost surely, 2^56646455 is an apocalyptic number.

56646455 is a deficient number, since it is larger than the sum of its proper divisors (13522249).

56646455 is a wasteful number, since it uses less digits than its factorization.

56646455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365497.

The product of its digits is 432000, while the sum is 41.

The square root of 56646455 is about 7526.3839258970. The cubic root of 56646455 is about 384.0527791133.

The spelling of 56646455 in words is "fifty-six million, six hundred forty-six thousand, four hundred fifty-five".