51314507565223 has 8 divisors (see below), whose sum is σ = 58681329894560. Its totient is φ = 43956729833760.

The previous prime is 51314507565203. The next prime is 51314507565259. The reversal of 51314507565223 is 32256570541315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51314507565223 is a prime.

It is a super-2 number, since 2×51314507565223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51314507565203) 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, 2261137308 + ... + 2261160001.

It is an arithmetic number, because the mean of its divisors is an integer number (7335166236820).

Almost surely, 2^{51314507565223} is an apocalyptic number.

51314507565223 is a deficient number, since it is larger than the sum of its proper divisors (7366822329337).

51314507565223 is a wasteful number, since it uses less digits than its factorization.

51314507565223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522298937.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 51314507565223 in words is "fifty-one trillion, three hundred fourteen billion, five hundred seven million, five hundred sixty-five thousand, two hundred twenty-three".