51760232820 has 120 divisors (see below), whose sum is σ = 170919856800. Its totient is φ = 13076261568.

The previous prime is 51760232819. The next prime is 51760232831. The reversal of 51760232820 is 2823206715.

51760232820 is a `hidden beast` number, since 5 + 1 + 7 + 602 + 3 + 28 + 20 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 810030 + ... + 871589.

It is an arithmetic number, because the mean of its divisors is an integer number (1424332140).

Almost surely, 2^51760232820 is an apocalyptic number.

It is an amenable number.

51760232820 is an abundant number, since it is smaller than the sum of its proper divisors (119159623980).

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

51760232820 is a wasteful number, since it uses less digits than its factorization.

51760232820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681659 (or 1681648 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 51760232820 in words is "fifty-one billion, seven hundred sixty million, two hundred thirty-two thousand, eight hundred twenty".