56510315 has 4 divisors (see below), whose sum is σ = 67812384. Its totient is φ = 45208248.

The previous prime is 56510291. The next prime is 56510317. The reversal of 56510315 is 51301565.

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 56510315 - 2¹⁰ = 56509291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56510317) 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, 5651027 + ... + 5651036.

It is an arithmetic number, because the mean of its divisors is an integer number (16953096).

Almost surely, 2^56510315 is an apocalyptic number.

56510315 is a deficient number, since it is larger than the sum of its proper divisors (11302069).

56510315 is a wasteful number, since it uses less digits than its factorization.

56510315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302068.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 56510315 is about 7517.3343014662. The cubic root of 56510315 is about 383.7448640678.

The spelling of 56510315 in words is "fifty-six million, five hundred ten thousand, three hundred fifteen".