51250938452 has 24 divisors (see below), whose sum is σ = 102599649600. Its totient is φ = 21943736640.

The previous prime is 51250938451. The next prime is 51250938469. The reversal of 51250938452 is 25483905215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250938451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843074 + ... + 901817.

It is an arithmetic number, because the mean of its divisors is an integer number (4274985400).

Almost surely, 2^51250938452 is an apocalyptic number.

It is an amenable number.

51250938452 is an abundant number, since it is smaller than the sum of its proper divisors (51348711148).

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

51250938452 is a wasteful number, since it uses less digits than its factorization.

51250938452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745951 (or 1745949 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 51250938452 in words is "fifty-one billion, two hundred fifty million, nine hundred thirty-eight thousand, four hundred fifty-two".