56480399 has 4 divisors (see below), whose sum is σ = 56662320. Its totient is φ = 56298480.

The previous prime is 56480377. The next prime is 56480401. The reversal of 56480399 is 99308465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99308465 = 5 ⋅19861693.

It is a cyclic number.

It is not a de Polignac number, because 56480399 - 2⁸ = 56480143 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 (56480299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90494 + ... + 91115.

It is an arithmetic number, because the mean of its divisors is an integer number (14165580).

Almost surely, 2^56480399 is an apocalyptic number.

56480399 is a deficient number, since it is larger than the sum of its proper divisors (181921).

56480399 is a wasteful number, since it uses less digits than its factorization.

56480399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181920.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 56480399 is about 7515.3442369595. The cubic root of 56480399 is about 383.6771352070.

The spelling of 56480399 in words is "fifty-six million, four hundred eighty thousand, three hundred ninety-nine".