56194728 has 16 divisors (see below), whose sum is σ = 140486880. Its totient is φ = 18731568.

The previous prime is 56194717. The next prime is 56194729. The reversal of 56194728 is 82749165.

It is a self number, because there is not a number n which added to its sum of digits gives 56194728.

It is not an unprimeable number, because it can be changed into a prime (56194729) 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, 1170700 + ... + 1170747.

It is an arithmetic number, because the mean of its divisors is an integer number (8780430).

Almost surely, 2^56194728 is an apocalyptic number.

It is an amenable number.

56194728 is an abundant number, since it is smaller than the sum of its proper divisors (84292152).

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

56194728 is a wasteful number, since it uses less digits than its factorization.

56194728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341456 (or 2341452 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 56194728 is about 7496.3142943716. The cubic root of 56194728 is about 383.0291774248.

The spelling of 56194728 in words is "fifty-six million, one hundred ninety-four thousand, seven hundred twenty-eight".