56131104 has 24 divisors (see below), whose sum is σ = 147344400. Its totient is φ = 18710336.

The previous prime is 56131099. The next prime is 56131121. The reversal of 56131104 is 40113165.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292254 + ... + 292445.

It is an arithmetic number, because the mean of its divisors is an integer number (6139350).

Almost surely, 2^56131104 is an apocalyptic number.

It is an amenable number.

56131104 is an abundant number, since it is smaller than the sum of its proper divisors (91213296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56131104 is a wasteful number, since it uses less digits than its factorization.

56131104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584712 (or 584704 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 56131104 is about 7492.0694070464. The cubic root of 56131104 is about 382.8845668758.

Adding to 56131104 its reverse (40113165), we get a palindrome (96244269).

The spelling of 56131104 in words is "fifty-six million, one hundred thirty-one thousand, one hundred four".