51970953984 has 36 divisors (see below), whose sum is σ = 138318530616. Its totient is φ = 17323651072.

The previous prime is 51970953943. The next prime is 51970954003. The reversal of 51970953984 is 48935907915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33834489 + ... + 33836024.

It is an arithmetic number, because the mean of its divisors is an integer number (3842181406).

Almost surely, 2^51970953984 is an apocalyptic number.

It is an amenable number.

51970953984 is an abundant number, since it is smaller than the sum of its proper divisors (86347576632).

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

51970953984 is an equidigital number, since it uses as much as digits as its factorization.

51970953984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67670532 (or 67670518 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 51970953984 in words is "fifty-one billion, nine hundred seventy million, nine hundred fifty-three thousand, nine hundred eighty-four".