56620372 has 6 divisors (see below), whose sum is σ = 99085658. Its totient is φ = 28310184.

The previous prime is 56620357. The next prime is 56620409. The reversal of 56620372 is 27302665.

It can be written as a sum of positive squares in only one way, i.e., 50637456 + 5982916 = 7116^2 + 2446^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7077543 + ... + 7077550.

Almost surely, 2^56620372 is an apocalyptic number.

It is an amenable number.

56620372 is a deficient number, since it is larger than the sum of its proper divisors (42465286).

56620372 is a wasteful number, since it uses less digits than its factorization.

56620372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155097 (or 14155095 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 56620372 is about 7524.6509553600. The cubic root of 56620372 is about 383.9938240471.

The spelling of 56620372 in words is "fifty-six million, six hundred twenty thousand, three hundred seventy-two".