56903471 has 4 divisors (see below), whose sum is σ = 60250752. Its totient is φ = 53556192.

The previous prime is 56903467. The next prime is 56903477. The reversal of 56903471 is 17430965.

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

It is a cyclic number.

It is not a de Polignac number, because 56903471 - 2² = 56903467 is a prime.

It is a super-3 number, since 3×56903471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56903477) 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, 1673615 + ... + 1673648.

It is an arithmetic number, because the mean of its divisors is an integer number (15062688).

Almost surely, 2^56903471 is an apocalyptic number.

56903471 is a deficient number, since it is larger than the sum of its proper divisors (3347281).

56903471 is a wasteful number, since it uses less digits than its factorization.

56903471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347280.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56903471 is about 7543.4389372487. The cubic root of 56903471 is about 384.6327436134.

The spelling of 56903471 in words is "fifty-six million, nine hundred three thousand, four hundred seventy-one".