51527137364 has 6 divisors (see below), whose sum is σ = 90172490394. Its totient is φ = 25763568680.

The previous prime is 51527137313. The next prime is 51527137369. The reversal of 51527137364 is 46373172515.

It can be written as a sum of positive squares in only one way, i.e., 35097024964 + 16430112400 = 187342^2 + 128180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51527137369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6440892167 + ... + 6440892174.

It is an arithmetic number, because the mean of its divisors is an integer number (15028748399).

Almost surely, 2^51527137364 is an apocalyptic number.

It is an amenable number.

51527137364 is a deficient number, since it is larger than the sum of its proper divisors (38645353030).

51527137364 is a wasteful number, since it uses less digits than its factorization.

51527137364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12881784345 (or 12881784343 counting only the distinct ones).

The product of its digits is 529200, while the sum is 44.

The spelling of 51527137364 in words is "fifty-one billion, five hundred twenty-seven million, one hundred thirty-seven thousand, three hundred sixty-four".