51162090583 has 6 divisors (see below), whose sum is σ = 53483244584. Its totient is φ = 48937651356.

The previous prime is 51162090541. The next prime is 51162090607. The reversal of 51162090583 is 38509026115.

It is a de Polignac number, because none of the positive numbers 2^k-51162090583 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 (51162094583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48356835 + ... + 48357892.

Almost surely, 2^51162090583 is an apocalyptic number.

51162090583 is a deficient number, since it is larger than the sum of its proper divisors (2321154001).

51162090583 is an equidigital number, since it uses as much as digits as its factorization.

51162090583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96714773 (or 96714750 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 51162090583 in words is "fifty-one billion, one hundred sixty-two million, ninety thousand, five hundred eighty-three".