51753492252 has 216 divisors, whose sum is σ = 169641844736. Its totient is φ = 13008600000.

The previous prime is 51753492169. The next prime is 51753492289. The reversal of 51753492252 is 25229435715.

51753492252 is a `hidden beast` number, since 5 + 1 + 7 + 534 + 92 + 25 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51753492198 and 51753492207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 917877 + ... + 972627.

Almost surely, 2^51753492252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51753492252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84820922368).

51753492252 is an abundant number, since it is smaller than the sum of its proper divisors (117888352484).

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

51753492252 is a wasteful number, since it uses less digits than its factorization.

51753492252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54821 (or 54805 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 51753492252 in words is "fifty-one billion, seven hundred fifty-three million, four hundred ninety-two thousand, two hundred fifty-two".