51766222495 has 64 divisors (see below), whose sum is σ = 71632512000. Its totient is φ = 35620945920.

The previous prime is 51766222489. The next prime is 51766222499. The reversal of 51766222495 is 59422266715.

It is a de Polignac number, because none of the positive numbers 2^k-51766222495 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51766222499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26236329 + ... + 26238301.

It is an arithmetic number, because the mean of its divisors is an integer number (1119258000).

Almost surely, 2^51766222495 is an apocalyptic number.

51766222495 is a deficient number, since it is larger than the sum of its proper divisors (19866289505).

51766222495 is a wasteful number, since it uses less digits than its factorization.

51766222495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its digits is 1814400, while the sum is 49.

The spelling of 51766222495 in words is "fifty-one billion, seven hundred sixty-six million, two hundred twenty-two thousand, four hundred ninety-five".