56398455 has 24 divisors (see below), whose sum is σ = 100913280. Its totient is φ = 29108160.

The previous prime is 56398429. The next prime is 56398481. The reversal of 56398455 is 55489365.

56398455 is a `hidden beast` number, since 5 + 639 + 8 + 4 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (56398429) and next prime (56398481).

It is not a de Polignac number, because 56398455 - 2¹³ = 56390263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 56398455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18820 + ... + 21609.

It is an arithmetic number, because the mean of its divisors is an integer number (4204720).

Almost surely, 2^56398455 is an apocalyptic number.

56398455 is a deficient number, since it is larger than the sum of its proper divisors (44514825).

56398455 is a wasteful number, since it uses less digits than its factorization.

56398455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40471 (or 40468 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 56398455 is about 7509.8904785623. The cubic root of 56398455 is about 383.4914940712.

The spelling of 56398455 in words is "fifty-six million, three hundred ninety-eight thousand, four hundred fifty-five".