56531234 has 4 divisors (see below), whose sum is σ = 84796854. Its totient is φ = 28265616.

The previous prime is 56531219. The next prime is 56531249. The reversal of 56531234 is 43213565.

56531234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (56531219) and next prime (56531249).

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 13300609 = 6575^2 + 3647^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56531197 and 56531206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14132807 + ... + 14132810.

Almost surely, 2^56531234 is an apocalyptic number.

56531234 is a deficient number, since it is larger than the sum of its proper divisors (28265620).

56531234 is a wasteful number, since it uses less digits than its factorization.

56531234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28265619.

The product of its digits is 10800, while the sum is 29.

The square root of 56531234 is about 7518.7255569012. The cubic root of 56531234 is about 383.7922098103.

Adding to 56531234 its reverse (43213565), we get a palindrome (99744799).

It can be divided in two parts, 56531 and 234, that added together give a palindrome (56765).

The spelling of 56531234 in words is "fifty-six million, five hundred thirty-one thousand, two hundred thirty-four".