51775240932 has 96 divisors (see below), whose sum is σ = 137940535040. Its totient is φ = 16782163200.

The previous prime is 51775240883. The next prime is 51775240943. The reversal of 51775240932 is 23904257715.

It is a happy number.

51775240932 is a `hidden beast` number, since 51 + 77 + 524 + 0 + 9 + 3 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10455057 + ... + 10460007.

Almost surely, 2^51775240932 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 51775240932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68970267520).

51775240932 is an abundant number, since it is smaller than the sum of its proper divisors (86165294108).

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

51775240932 is a wasteful number, since it uses less digits than its factorization.

51775240932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7618 (or 7610 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 51775240932 in words is "fifty-one billion, seven hundred seventy-five million, two hundred forty thousand, nine hundred thirty-two".