51560010197 has 8 divisors (see below), whose sum is σ = 52472174976. Its totient is φ = 50652040032.

The previous prime is 51560010181. The next prime is 51560010211. The reversal of 51560010197 is 79101006515.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51560010197 - 2⁴ = 51560010181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51560010137) 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, 1023848 + ... + 1073025.

It is an arithmetic number, because the mean of its divisors is an integer number (6559021872).

Almost surely, 2^51560010197 is an apocalyptic number.

It is an amenable number.

51560010197 is a deficient number, since it is larger than the sum of its proper divisors (912164779).

51560010197 is a wasteful number, since it uses less digits than its factorization.

51560010197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097307.

The product of its (nonzero) digits is 9450, while the sum is 35.

The spelling of 51560010197 in words is "fifty-one billion, five hundred sixty million, ten thousand, one hundred ninety-seven".