51923870488056 has 64 divisors (see below), whose sum is σ = 149242262561280. Its totient is φ = 14746556880000.

The previous prime is 51923870488013. The next prime is 51923870488109. The reversal of 51923870488056 is 65088407832915.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925333195 + ... + 925389306.

It is an arithmetic number, because the mean of its divisors is an integer number (2331910352520).

It is a 1-persistent number, because it is pandigital, but 2⋅51923870488056 = 103847740976112 is not.

Almost surely, 2^{51923870488056} is an apocalyptic number.

51923870488056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51923870488056 is an abundant number, since it is smaller than the sum of its proper divisors (97318392073224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51923870488056 is a wasteful number, since it uses less digits than its factorization.

51923870488056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850722684 (or 1850722680 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 66.

The spelling of 51923870488056 in words is "fifty-one trillion, nine hundred twenty-three billion, eight hundred seventy million, four hundred eighty-eight thousand, fifty-six".