51733402437268 has 24 divisors (see below), whose sum is σ = 94012020020520. Its totient is φ = 24890110087680.

The previous prime is 51733402437257. The next prime is 51733402437289. The reversal of 51733402437268 is 86273420433715.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2733374437264 + 49000028000004 = 1653292^2 + 7000002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160587863 + ... + 2160611806.

It is an arithmetic number, because the mean of its divisors is an integer number (3917167500855).

Almost surely, 2^{51733402437268} is an apocalyptic number.

It is an amenable number.

51733402437268 is a deficient number, since it is larger than the sum of its proper divisors (42278617583252).

51733402437268 is a wasteful number, since it uses less digits than its factorization.

51733402437268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321199787 (or 4321199785 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 51733402437268 in words is "fifty-one trillion, seven hundred thirty-three billion, four hundred two million, four hundred thirty-seven thousand, two hundred sixty-eight".