51726805957 has 8 divisors (see below), whose sum is σ = 51856145280. Its totient is φ = 51597524160.

The previous prime is 51726805919. The next prime is 51726806009. The reversal of 51726805957 is 75950862715.

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 51726805957 - 2³⁵ = 17367067589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51726805898 and 51726805907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51726805457) 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, 2207332 + ... + 2230642.

It is an arithmetic number, because the mean of its divisors is an integer number (6482018160).

Almost surely, 2^51726805957 is an apocalyptic number.

It is an amenable number.

51726805957 is a deficient number, since it is larger than the sum of its proper divisors (129339323).

51726805957 is a wasteful number, since it uses less digits than its factorization.

51726805957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763.

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 51726805957 in words is "fifty-one billion, seven hundred twenty-six million, eight hundred five thousand, nine hundred fifty-seven".