51935304960 has 432 divisors, whose sum is σ = 224033846400. Its totient is φ = 10791567360.

The previous prime is 51935304959. The next prime is 51935304961. The reversal of 51935304960 is 6940353915.

51935304960 is a `hidden beast` number, since 5 + 19 + 3 + 530 + 49 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (51935304959) and next prime (51935304961).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51935304961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 857766 + ... + 916314.

Almost surely, 2^51935304960 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 51935304960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112016923200).

51935304960 is an abundant number, since it is smaller than the sum of its proper divisors (172098541440).

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

51935304960 is a wasteful number, since it uses less digits than its factorization.

51935304960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58594 (or 58577 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 51935304960 in words is "fifty-one billion, nine hundred thirty-five million, three hundred four thousand, nine hundred sixty".