51577338312 has 48 divisors (see below), whose sum is σ = 142937205840. Its totient is φ = 16792620768.

The previous prime is 51577338257. The next prime is 51577338341. The reversal of 51577338312 is 21383377515.

51577338312 is a `hidden beast` number, since 515 + 7 + 73 + 38 + 31 + 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 11 ways as a sum of consecutive naturals, for example, 8326578 + ... + 8332769.

It is an arithmetic number, because the mean of its divisors is an integer number (2977858455).

Almost surely, 2^51577338312 is an apocalyptic number.

It is an amenable number.

51577338312 is an abundant number, since it is smaller than the sum of its proper divisors (91359867528).

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

51577338312 is a wasteful number, since it uses less digits than its factorization.

51577338312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16659402 (or 16659395 counting only the distinct ones).

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

The spelling of 51577338312 in words is "fifty-one billion, five hundred seventy-seven million, three hundred thirty-eight thousand, three hundred twelve".