56901939 has 8 divisors (see below), whose sum is σ = 76051152. Its totient is φ = 37843680.

The previous prime is 56901917. The next prime is 56901947. The reversal of 56901939 is 93910965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56901939 - 2¹¹ = 56899891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56901939.

It is not an unprimeable number, because it can be changed into a prime (56901989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21264 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (9506394).

Almost surely, 2^56901939 is an apocalyptic number.

56901939 is a deficient number, since it is larger than the sum of its proper divisors (19149213).

56901939 is a wasteful number, since it uses less digits than its factorization.

56901939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45477.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 56901939 is about 7543.3373913673. The cubic root of 56901939 is about 384.6292917874.

The spelling of 56901939 in words is "fifty-six million, nine hundred one thousand, nine hundred thirty-nine".