56115004 has 12 divisors (see below), whose sum is σ = 107128728. Its totient is φ = 25506800.

The previous prime is 56115001. The next prime is 56115013. The reversal of 56115004 is 40051165.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56115001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637627 + ... + 637714.

It is an arithmetic number, because the mean of its divisors is an integer number (8927394).

Almost surely, 2^56115004 is an apocalyptic number.

It is an amenable number.

56115004 is a deficient number, since it is larger than the sum of its proper divisors (51013724).

56115004 is a wasteful number, since it uses less digits than its factorization.

56115004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275356 (or 1275354 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 56115004 is about 7490.9948604975. The cubic root of 56115004 is about 382.8479559741.

Adding to 56115004 its reverse (40051165), we get a palindrome (96166169).

The spelling of 56115004 in words is "fifty-six million, one hundred fifteen thousand, four".