51788263532 has 24 divisors (see below), whose sum is σ = 91212433200. Its totient is φ = 25727812416.

The previous prime is 51788263523. The next prime is 51788263537. The reversal of 51788263532 is 23536288715.

It is a super-2 number, since 2×51788263532² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51788263537) 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, 838694 + ... + 898322.

It is an arithmetic number, because the mean of its divisors is an integer number (3800518050).

Almost surely, 2^51788263532 is an apocalyptic number.

It is an amenable number.

51788263532 is a deficient number, since it is larger than the sum of its proper divisors (39424169668).

51788263532 is a wasteful number, since it uses less digits than its factorization.

51788263532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61025 (or 61023 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 51788263532 in words is "fifty-one billion, seven hundred eighty-eight million, two hundred sixty-three thousand, five hundred thirty-two".