51502482432 has 132 divisors (see below), whose sum is σ = 148987963696. Its totient is φ = 17135677440.

The previous prime is 51502482391. The next prime is 51502482433. The reversal of 51502482432 is 23428420515.

51502482432 is a `hidden beast` number, since 515 + 0 + 24 + 82 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51502482433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5257443 + ... + 5267229.

Almost surely, 2^51502482432 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 51502482432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74493981848).

51502482432 is an abundant number, since it is smaller than the sum of its proper divisors (97485481264).

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

51502482432 is a wasteful number, since it uses less digits than its factorization.

51502482432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10384 (or 10363 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 51502482432 in words is "fifty-one billion, five hundred two million, four hundred eighty-two thousand, four hundred thirty-two".