56463131 has 4 divisors (see below), whose sum is σ = 56775264. Its totient is φ = 56151000.

The previous prime is 56463119. The next prime is 56463139. The reversal of 56463131 is 13136465.

It is a happy number.

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-56463131 is a prime.

It is a super-2 number, since 2×56463131² = 6376170324646322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56463094 and 56463103.

It is not an unprimeable number, because it can be changed into a prime (56463139) 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, 155795 + ... + 156156.

It is an arithmetic number, because the mean of its divisors is an integer number (14193816).

Almost surely, 2^56463131 is an apocalyptic number.

56463131 is a deficient number, since it is larger than the sum of its proper divisors (312133).

56463131 is a wasteful number, since it uses less digits than its factorization.

56463131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312132.

The product of its digits is 6480, while the sum is 29.

The square root of 56463131 is about 7514.1952995647. The cubic root of 56463131 is about 383.6380301239.

Adding to 56463131 its reverse (13136465), we get a palindrome (69599596).

The spelling of 56463131 in words is "fifty-six million, four hundred sixty-three thousand, one hundred thirty-one".