51560365 has 8 divisors (see below), whose sum is σ = 64562688. Its totient is φ = 39454800.

The previous prime is 51560359. The next prime is 51560387. The reversal of 51560365 is 56306515.

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

It is a de Polignac number, because none of the positive numbers 2^k-51560365 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224061 + ... + 224290.

It is an arithmetic number, because the mean of its divisors is an integer number (8070336).

Almost surely, 2^51560365 is an apocalyptic number.

It is an amenable number.

51560365 is a deficient number, since it is larger than the sum of its proper divisors (13002323).

51560365 is a wasteful number, since it uses less digits than its factorization.

51560365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448379.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 51560365 is about 7180.5546443154. The cubic root of 51560365 is about 372.1962510365.

The spelling of 51560365 in words is "fifty-one million, five hundred sixty thousand, three hundred sixty-five".