51859757156 has 12 divisors (see below), whose sum is σ = 91298016768. Its totient is φ = 25774609512.

The previous prime is 51859757153. The next prime is 51859757177. The reversal of 51859757156 is 65175795815.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51859757095 and 51859757104.

It is not an unprimeable number, because it can be changed into a prime (51859757153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38816516 + ... + 38817851.

It is an arithmetic number, because the mean of its divisors is an integer number (7608168064).

Almost surely, 2^51859757156 is an apocalyptic number.

It is an amenable number.

51859757156 is a deficient number, since it is larger than the sum of its proper divisors (39438259612).

51859757156 is a wasteful number, since it uses less digits than its factorization.

51859757156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77634538 (or 77634536 counting only the distinct ones).

The product of its digits is 13230000, while the sum is 59.

The spelling of 51859757156 in words is "fifty-one billion, eight hundred fifty-nine million, seven hundred fifty-seven thousand, one hundred fifty-six".