51560560137 has 8 divisors (see below), whose sum is σ = 68748504736. Its totient is φ = 34373161152.

The previous prime is 51560560081. The next prime is 51560560147. The reversal of 51560560137 is 73106506515.

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

It is not a de Polignac number, because 51560560137 - 2³⁰ = 50486818313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51560560095 and 51560560104.

It is not an unprimeable number, because it can be changed into a prime (51560560147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209178 + ... + 383244.

It is an arithmetic number, because the mean of its divisors is an integer number (8593563092).

Almost surely, 2^51560560137 is an apocalyptic number.

It is an amenable number.

51560560137 is a deficient number, since it is larger than the sum of its proper divisors (17187944599).

51560560137 is a wasteful number, since it uses less digits than its factorization.

51560560137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272807.

The product of its (nonzero) digits is 94500, while the sum is 39.

The spelling of 51560560137 in words is "fifty-one billion, five hundred sixty million, five hundred sixty thousand, one hundred thirty-seven".