51560686 has 8 divisors (see below), whose sum is σ = 77448744. Its totient is φ = 25744440.

The previous prime is 51560659. The next prime is 51560689. The reversal of 51560686 is 68606515.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51560689) 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, 16120 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (9681093).

Almost surely, 2^51560686 is an apocalyptic number.

51560686 is a deficient number, since it is larger than the sum of its proper divisors (25888058).

51560686 is a wasteful number, since it uses less digits than its factorization.

51560686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35906.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 51560686 is about 7180.5769963144. The cubic root of 51560686 is about 372.1970234305.

The spelling of 51560686 in words is "fifty-one million, five hundred sixty thousand, six hundred eighty-six".