56257772 has 6 divisors (see below), whose sum is σ = 98451108. Its totient is φ = 28128884.

The previous prime is 56257757. The next prime is 56257783. The reversal of 56257772 is 27775265.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7032218 + ... + 7032225.

It is an arithmetic number, because the mean of its divisors is an integer number (16408518).

Almost surely, 2^56257772 is an apocalyptic number.

It is an amenable number.

56257772 is a deficient number, since it is larger than the sum of its proper divisors (42193336).

56257772 is a wasteful number, since it uses less digits than its factorization.

56257772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14064447 (or 14064445 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 56257772 is about 7500.5181154371. The cubic root of 56257772 is about 383.1723620712.

The spelling of 56257772 in words is "fifty-six million, two hundred fifty-seven thousand, seven hundred seventy-two".