51459672597 has 16 divisors (see below), whose sum is σ = 70082019072. Its totient is φ = 33572080640.

The previous prime is 51459672493. The next prime is 51459672689. The reversal of 51459672597 is 79527695415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51459672597 - 2³⁰ = 50385930773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51459672597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51459679597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302697 + ... + 1341617.

It is an arithmetic number, because the mean of its divisors is an integer number (4380126192).

Almost surely, 2^51459672597 is an apocalyptic number.

It is an amenable number.

51459672597 is a deficient number, since it is larger than the sum of its proper divisors (18622346475).

51459672597 is a wasteful number, since it uses less digits than its factorization.

51459672597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48348.

The product of its digits is 23814000, while the sum is 60.

The spelling of 51459672597 in words is "fifty-one billion, four hundred fifty-nine million, six hundred seventy-two thousand, five hundred ninety-seven".