56616436 has 6 divisors (see below), whose sum is σ = 99078770. Its totient is φ = 28308216.

The previous prime is 56616433. The next prime is 56616451. The reversal of 56616436 is 63461665.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 14288400 = 6506^2 + 3780^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56616395 and 56616404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56616433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7077051 + ... + 7077058.

Almost surely, 2^56616436 is an apocalyptic number.

It is an amenable number.

56616436 is a deficient number, since it is larger than the sum of its proper divisors (42462334).

56616436 is a wasteful number, since it uses less digits than its factorization.

56616436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154113 (or 14154111 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 56616436 is about 7524.3894104439. The cubic root of 56616436 is about 383.9849259852.

The spelling of 56616436 in words is "fifty-six million, six hundred sixteen thousand, four hundred thirty-six".