51741131832 has 128 divisors (see below), whose sum is σ = 155963808000. Its totient is φ = 15798706560.

The previous prime is 51741131809. The next prime is 51741131861. The reversal of 51741131832 is 23813114715.

51741131832 is a `hidden beast` number, since 517 + 4 + 1 + 131 + 8 + 3 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297519 + ... + 438177.

It is an arithmetic number, because the mean of its divisors is an integer number (1218467250).

Almost surely, 2^51741131832 is an apocalyptic number.

51741131832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51741131832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77981904000).

51741131832 is an abundant number, since it is smaller than the sum of its proper divisors (104222676168).

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

51741131832 is a wasteful number, since it uses less digits than its factorization.

51741131832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140818 (or 140808 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The spelling of 51741131832 in words is "fifty-one billion, seven hundred forty-one million, one hundred thirty-one thousand, eight hundred thirty-two".