56413109 has 6 divisors (see below), whose sum is σ = 59538870. Its totient is φ = 53443656.

The previous prime is 56413099. The next prime is 56413111. The reversal of 56413109 is 90131465.

It can be written as a sum of positive squares in only one way, i.e., 41242084 + 15171025 = 6422^2 + 3895^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56413109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56413139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77774 + ... + 78495.

It is an arithmetic number, because the mean of its divisors is an integer number (9923145).

Almost surely, 2^56413109 is an apocalyptic number.

It is an amenable number.

56413109 is a deficient number, since it is larger than the sum of its proper divisors (3125761).

56413109 is a wasteful number, since it uses less digits than its factorization.

56413109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156307 (or 156288 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 56413109 is about 7510.8660619132. The cubic root of 56413109 is about 383.5247053693.

The spelling of 56413109 in words is "fifty-six million, four hundred thirteen thousand, one hundred nine".