56410231 has 4 divisors (see below), whose sum is σ = 56816200. Its totient is φ = 56004264.

The previous prime is 56410223. The next prime is 56410243. The reversal of 56410231 is 13201465.

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

It is a cyclic number.

It is not a de Polignac number, because 56410231 - 2³ = 56410223 is a prime.

It is a super-2 number, since 2×56410231² = 6364228322946722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56410201) 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, 202776 + ... + 203053.

It is an arithmetic number, because the mean of its divisors is an integer number (14204050).

Almost surely, 2^56410231 is an apocalyptic number.

56410231 is a deficient number, since it is larger than the sum of its proper divisors (405969).

56410231 is a wasteful number, since it uses less digits than its factorization.

56410231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405968.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 56410231 is about 7510.6744703788. The cubic root of 56410231 is about 383.5181832276.

Adding to 56410231 its reverse (13201465), we get a palindrome (69611696).

The spelling of 56410231 in words is "fifty-six million, four hundred ten thousand, two hundred thirty-one".