51764616577 has 8 divisors (see below), whose sum is σ = 52320748032. Its totient is φ = 51208944000.

The previous prime is 51764616559. The next prime is 51764616613. The reversal of 51764616577 is 77561646715.

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 51764616577 - 2²³ = 51756227969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51764616377) 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, 114552 + ... + 341542.

It is an arithmetic number, because the mean of its divisors is an integer number (6540093504).

Almost surely, 2^51764616577 is an apocalyptic number.

It is an amenable number.

51764616577 is a deficient number, since it is larger than the sum of its proper divisors (556131455).

51764616577 is a wasteful number, since it uses less digits than its factorization.

51764616577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229439.

The product of its digits is 7408800, while the sum is 55.

The spelling of 51764616577 in words is "fifty-one billion, seven hundred sixty-four million, six hundred sixteen thousand, five hundred seventy-seven".