51353056637 has 8 divisors (see below), whose sum is σ = 51585849216. Its totient is φ = 51120520192.

The previous prime is 51353056597. The next prime is 51353056673. The reversal of 51353056637 is 73665035315.

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 51353056637 - 2¹⁰ = 51353055613 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 (51353058637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343718 + ... + 469944.

It is an arithmetic number, because the mean of its divisors is an integer number (6448231152).

Almost surely, 2^51353056637 is an apocalyptic number.

It is an amenable number.

51353056637 is a deficient number, since it is larger than the sum of its proper divisors (232792579).

51353056637 is a wasteful number, since it uses less digits than its factorization.

51353056637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128067.

The product of its (nonzero) digits is 850500, while the sum is 44.

The spelling of 51353056637 in words is "fifty-one billion, three hundred fifty-three million, fifty-six thousand, six hundred thirty-seven".