51774499368 has 96 divisors (see below), whose sum is σ = 141168704040. Its totient is φ = 17142128640.

The previous prime is 51774499351. The next prime is 51774499373. The reversal of 51774499368 is 86399447715.

51774499368 is a `hidden beast` number, since 5 + 17 + 74 + 499 + 3 + 68 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37821692484 + 13952806884 = 194478^2 + 118122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6599128 + ... + 6606968.

Almost surely, 2^51774499368 is an apocalyptic number.

It is an amenable number.

51774499368 is an abundant number, since it is smaller than the sum of its proper divisors (89394204672).

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

51774499368 is a wasteful number, since it uses less digits than its factorization.

51774499368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459 (or 8452 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 51774499368 in words is "fifty-one billion, seven hundred seventy-four million, four hundred ninety-nine thousand, three hundred sixty-eight".