51474530653312 has 64 divisors (see below), whose sum is σ = 113997564898560. Its totient is φ = 22991105479680.

The previous prime is 51474530653291. The next prime is 51474530653319. The reversal of 51474530653312 is 21335603547415.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (51474530653319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498887338 + ... + 498990505.

It is an arithmetic number, because the mean of its divisors is an integer number (1781211951540).

Almost surely, 2^{51474530653312} is an apocalyptic number.

51474530653312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51474530653312 is an abundant number, since it is smaller than the sum of its proper divisors (62523034245248).

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

51474530653312 is a wasteful number, since it uses less digits than its factorization.

51474530653312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997877901 (or 997877889 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 51474530653312 in words is "fifty-one trillion, four hundred seventy-four billion, five hundred thirty million, six hundred fifty-three thousand, three hundred twelve".