56012522 has 4 divisors (see below), whose sum is σ = 84018786. Its totient is φ = 28006260.

The previous prime is 56012483. The next prime is 56012549. The reversal of 56012522 is 22521065.

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

It can be written as a sum of positive squares in only one way, i.e., 48455521 + 7557001 = 6961^2 + 2749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14003129 + ... + 14003132.

Almost surely, 2^56012522 is an apocalyptic number.

56012522 is a deficient number, since it is larger than the sum of its proper divisors (28006264).

56012522 is a wasteful number, since it uses less digits than its factorization.

56012522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28006263.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56012522 is about 7484.1513881001. The cubic root of 56012522 is about 382.6147507677.

Adding to 56012522 its reverse (22521065), we get a palindrome (78533587).

The spelling of 56012522 in words is "fifty-six million, twelve thousand, five hundred twenty-two".