56903971 has 8 divisors (see below), whose sum is σ = 57919680. Its totient is φ = 55893288.

The previous prime is 56903963. The next prime is 56903999. The reversal of 56903971 is 17930965.

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

It is a cyclic number.

It is not a de Polignac number, because 56903971 - 2³ = 56903963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56900971) 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, 27060 + ... + 29086.

It is an arithmetic number, because the mean of its divisors is an integer number (7239960).

Almost surely, 2^56903971 is an apocalyptic number.

56903971 is a deficient number, since it is larger than the sum of its proper divisors (1015709).

56903971 is a wasteful number, since it uses less digits than its factorization.

56903971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 56903971 is about 7543.4720785591. The cubic root of 56903971 is about 384.6338701751.

The spelling of 56903971 in words is "fifty-six million, nine hundred three thousand, nine hundred seventy-one".