56523722 has 16 divisors (see below), whose sum is σ = 86598720. Its totient is φ = 27664032.

The previous prime is 56523721. The next prime is 56523767. The reversal of 56523722 is 22732565.

It is a super-2 number, since 2×56523722² = 6389862297466568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56523721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16793 + ... + 19875.

It is an arithmetic number, because the mean of its divisors is an integer number (5412420).

Almost surely, 2^56523722 is an apocalyptic number.

56523722 is a deficient number, since it is larger than the sum of its proper divisors (30074998).

56523722 is a wasteful number, since it uses less digits than its factorization.

56523722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277.

The product of its digits is 25200, while the sum is 32.

The square root of 56523722 is about 7518.2259875585. The cubic root of 56523722 is about 383.7752093276.

The spelling of 56523722 in words is "fifty-six million, five hundred twenty-three thousand, seven hundred twenty-two".