56115276 has 72 divisors (see below), whose sum is σ = 153328896. Its totient is φ = 15644160.

The previous prime is 56115263. The next prime is 56115281. The reversal of 56115276 is 67251165.

Its product of digits (12600) is a multiple of the sum of its prime divisors (180).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578460 + ... + 578556.

It is an arithmetic number, because the mean of its divisors is an integer number (2129568).

Almost surely, 2^56115276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56115276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76664448).

56115276 is an abundant number, since it is smaller than the sum of its proper divisors (97213620).

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

56115276 is a wasteful number, since it uses less digits than its factorization.

56115276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 180 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 56115276 is about 7491.0130156074. The cubic root of 56115276 is about 382.8485745518.

The spelling of 56115276 in words is "fifty-six million, one hundred fifteen thousand, two hundred seventy-six".