51376626652 has 72 divisors (see below), whose sum is σ = 100551326400. Its totient is φ = 22945747968.

The previous prime is 51376626541. The next prime is 51376626689. The reversal of 51376626652 is 25662667315.

It is a super-2 number, since 2×51376626652² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51376626596 and 51376626605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2818624 + ... + 2836792.

It is an arithmetic number, because the mean of its divisors is an integer number (1396546200).

Almost surely, 2^51376626652 is an apocalyptic number.

51376626652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51376626652 is a deficient number, since it is larger than the sum of its proper divisors (49174699748).

51376626652 is a wasteful number, since it uses less digits than its factorization.

51376626652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335 (or 18320 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The spelling of 51376626652 in words is "fifty-one billion, three hundred seventy-six million, six hundred twenty-six thousand, six hundred fifty-two".