56203631 has 8 divisors (see below), whose sum is σ = 62318928. Its totient is φ = 50256000.

The previous prime is 56203627. The next prime is 56203633. The reversal of 56203631 is 13630265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56203631 - 2² = 56203627 is a prime.

It is a super-2 number, since 2×56203631² = 6317696275168322, 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 56203631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56203633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41210 + ... + 42551.

It is an arithmetic number, because the mean of its divisors is an integer number (7789866).

Almost surely, 2^56203631 is an apocalyptic number.

56203631 is a deficient number, since it is larger than the sum of its proper divisors (6115297).

56203631 is a wasteful number, since it uses less digits than its factorization.

56203631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83833.

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

The square root of 56203631 is about 7496.9080960086. The cubic root of 56203631 is about 383.0494042848.

Adding to 56203631 its reverse (13630265), we get a palindrome (69833896).

The spelling of 56203631 in words is "fifty-six million, two hundred three thousand, six hundred thirty-one".