56315471 has 4 divisors (see below), whose sum is σ = 56813952. Its totient is φ = 55816992.

The previous prime is 56315453. The next prime is 56315473. The reversal of 56315471 is 17451365.

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-56315471 is a prime.

It is a super-3 number, since 3×56315471³ (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 (56315473) 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, 249071 + ... + 249296.

It is an arithmetic number, because the mean of its divisors is an integer number (14203488).

Almost surely, 2^56315471 is an apocalyptic number.

56315471 is a deficient number, since it is larger than the sum of its proper divisors (498481).

56315471 is a wasteful number, since it uses less digits than its factorization.

56315471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498480.

The product of its digits is 12600, while the sum is 32.

The square root of 56315471 is about 7504.3634640121. The cubic root of 56315471 is about 383.3033135071.

The spelling of 56315471 in words is "fifty-six million, three hundred fifteen thousand, four hundred seventy-one".