56115428 has 12 divisors (see below), whose sum is σ = 98566272. Its totient is φ = 27953640.

The previous prime is 56115427. The next prime is 56115443. The reversal of 56115428 is 82451165.

It is a junction number, because it is equal to n+sod(n) for n = 56115394 and 56115403.

It is not an unprimeable number, because it can be changed into a prime (56115427) 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, 24800 + ... + 26967.

It is an arithmetic number, because the mean of its divisors is an integer number (8213856).

Almost surely, 2^56115428 is an apocalyptic number.

It is an amenable number.

56115428 is a deficient number, since it is larger than the sum of its proper divisors (42450844).

56115428 is a wasteful number, since it uses less digits than its factorization.

56115428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52042 (or 52040 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 56115428 is about 7491.0231610909. The cubic root of 56115428 is about 382.8489202267.

The spelling of 56115428 in words is "fifty-six million, one hundred fifteen thousand, four hundred twenty-eight".