51590523567 has 8 divisors (see below), whose sum is σ = 75040761600. Its totient is φ = 31266983960.

The previous prime is 51590523557. The next prime is 51590523571. The reversal of 51590523567 is 76532509515.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51590523567 - 2⁶ = 51590523503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51590523557) 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, 781674567 + ... + 781674632.

It is an arithmetic number, because the mean of its divisors is an integer number (9380095200).

Almost surely, 2^51590523567 is an apocalyptic number.

51590523567 is a deficient number, since it is larger than the sum of its proper divisors (23450238033).

51590523567 is a wasteful number, since it uses less digits than its factorization.

51590523567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563349213.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The spelling of 51590523567 in words is "fifty-one billion, five hundred ninety million, five hundred twenty-three thousand, five hundred sixty-seven".