51377020252636 has 48 divisors (see below), whose sum is σ = 100611256281088. Its totient is φ = 22795581816000.

The previous prime is 51377020252603. The next prime is 51377020252661. The reversal of 51377020252636 is 63625202077315.

51377020252636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51377020252636.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 105291690 + ... + 105778513.

Almost surely, 2^{51377020252636} is an apocalyptic number.

It is an amenable number.

51377020252636 is a deficient number, since it is larger than the sum of its proper divisors (49234236028452).

51377020252636 is a wasteful number, since it uses less digits than its factorization.

51377020252636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211070402 (or 211070400 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 51377020252636 in words is "fifty-one trillion, three hundred seventy-seven billion, twenty million, two hundred fifty-two thousand, six hundred thirty-six".