56413331 has 4 divisors (see below), whose sum is σ = 60752832. Its totient is φ = 52073832.

The previous prime is 56413307. The next prime is 56413333. The reversal of 56413331 is 13331465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56413331 is a prime.

It is a super-2 number, since 2×56413331² = 6364927829031122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56413331.

It is not an unprimeable number, because it can be changed into a prime (56413333) 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, 2169731 + ... + 2169756.

It is an arithmetic number, because the mean of its divisors is an integer number (15188208).

Almost surely, 2^56413331 is an apocalyptic number.

56413331 is a deficient number, since it is larger than the sum of its proper divisors (4339501).

56413331 is a wasteful number, since it uses less digits than its factorization.

56413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4339500.

The product of its digits is 3240, while the sum is 26.

The square root of 56413331 is about 7510.8808404874. The cubic root of 56413331 is about 383.5252084579.

Adding to 56413331 its reverse (13331465), we get a palindrome (69744796).

The spelling of 56413331 in words is "fifty-six million, four hundred thirteen thousand, three hundred thirty-one".