51996714588 has 240 divisors, whose sum is σ = 169032090304. Its totient is φ = 13571297280.

The previous prime is 51996714571. The next prime is 51996714599. The reversal of 51996714588 is 88541769915.

51996714588 is a `hidden beast` number, since 519 + 9 + 6 + 71 + 45 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2850858 + ... + 2869038.

Almost surely, 2^51996714588 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 51996714588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84516045152).

51996714588 is an abundant number, since it is smaller than the sum of its proper divisors (117035375716).

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

51996714588 is a wasteful number, since it uses less digits than its factorization.

51996714588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18314 (or 18303 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 63.

The spelling of 51996714588 in words is "fifty-one billion, nine hundred ninety-six million, seven hundred fourteen thousand, five hundred eighty-eight".