51235207036 has 192 divisors, whose sum is σ = 112661176320. Its totient is φ = 20120002560.

The previous prime is 51235207027. The next prime is 51235207069. The reversal of 51235207036 is 63070253215.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 51235206992 and 51235207010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32365101 + ... + 32366683.

It is an arithmetic number, because the mean of its divisors is an integer number (586776960).

Almost surely, 2^51235207036 is an apocalyptic number.

It is an amenable number.

51235207036 is an abundant number, since it is smaller than the sum of its proper divisors (61425969284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51235207036 is a wasteful number, since it uses less digits than its factorization.

51235207036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724 (or 1722 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 51235207036 in words is "fifty-one billion, two hundred thirty-five million, two hundred seven thousand, thirty-six".