51892747591 has 16 divisors (see below), whose sum is σ = 54302676480. Its totient is φ = 49495834080.

The previous prime is 51892747583. The next prime is 51892747597. The reversal of 51892747591 is 19574729815.

It is a cyclic number.

It is not a de Polignac number, because 51892747591 - 2³ = 51892747583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51892747597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22184700 + ... + 22187038.

It is an arithmetic number, because the mean of its divisors is an integer number (3393917280).

Almost surely, 2^51892747591 is an apocalyptic number.

51892747591 is a deficient number, since it is larger than the sum of its proper divisors (2409928889).

51892747591 is a wasteful number, since it uses less digits than its factorization.

51892747591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4686.

The product of its digits is 6350400, while the sum is 58.

The spelling of 51892747591 in words is "fifty-one billion, eight hundred ninety-two million, seven hundred forty-seven thousand, five hundred ninety-one".