51762637663 has 16 divisors (see below), whose sum is σ = 60382000800. Its totient is φ = 43850368000.

The previous prime is 51762637639. The next prime is 51762637681. The reversal of 51762637663 is 36673626715.

It is a cyclic number.

It is not a de Polignac number, because 51762637663 - 2²⁹ = 51225766751 is a prime.

It is a super-2 number, since 2×51762637663² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51762637663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51762637163) 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 15 ways as a sum of consecutive naturals, for example, 1351438 + ... + 1389211.

It is an arithmetic number, because the mean of its divisors is an integer number (3773875050).

Almost surely, 2^51762637663 is an apocalyptic number.

51762637663 is a deficient number, since it is larger than the sum of its proper divisors (8619363137).

51762637663 is a wasteful number, since it uses less digits than its factorization.

51762637663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740778.

The product of its digits is 5715360, while the sum is 52.

The spelling of 51762637663 in words is "fifty-one billion, seven hundred sixty-two million, six hundred thirty-seven thousand, six hundred sixty-three".