56903951 has 4 divisors (see below), whose sum is σ = 61281192. Its totient is φ = 52526712.

The previous prime is 56903933. The next prime is 56903963. The reversal of 56903951 is 15930965.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56903951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56903051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188601 + ... + 2188626.

It is an arithmetic number, because the mean of its divisors is an integer number (15320298).

Almost surely, 2^56903951 is an apocalyptic number.

56903951 is a deficient number, since it is larger than the sum of its proper divisors (4377241).

56903951 is a wasteful number, since it uses less digits than its factorization.

56903951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4377240.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 56903951 is about 7543.4707529094. The cubic root of 56903951 is about 384.6338251128.

The spelling of 56903951 in words is "fifty-six million, nine hundred three thousand, nine hundred fifty-one".