56909416 has 8 divisors (see below), whose sum is σ = 106705170. Its totient is φ = 28454704.

The previous prime is 56909381. The next prime is 56909417. The reversal of 56909416 is 61490965.

56909416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 18096516 = 6230^2 + 4254^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56909416² = 6477363258922112, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56909417) by changing a digit.

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, 3556831 + ... + 3556846.

Almost surely, 2^56909416 is an apocalyptic number.

It is an amenable number.

56909416 is a deficient number, since it is larger than the sum of its proper divisors (49795754).

56909416 is a wasteful number, since it uses less digits than its factorization.

56909416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113683 (or 7113679 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 56909416 is about 7543.8329780026. The cubic root of 56909416 is about 384.6461380045.

The spelling of 56909416 in words is "fifty-six million, nine hundred nine thousand, four hundred sixteen".