51333425321983 has 32 divisors (see below), whose sum is σ = 59229735763968. Its totient is φ = 43580480220000.

The previous prime is 51333425321963. The next prime is 51333425322041. The reversal of 51333425321983 is 38912352433315.

It is a cyclic number.

It is not a de Polignac number, because 51333425321983 - 2¹⁷ = 51333425190911 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 51333425321983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333425321963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232370566 + ... + 232591372.

It is an arithmetic number, because the mean of its divisors is an integer number (1850929242624).

Almost surely, 2^{51333425321983} is an apocalyptic number.

51333425321983 is a deficient number, since it is larger than the sum of its proper divisors (7896310441985).

51333425321983 is a wasteful number, since it uses less digits than its factorization.

51333425321983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221803.

The product of its digits is 6998400, while the sum is 52.

The spelling of 51333425321983 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-five million, three hundred twenty-one thousand, nine hundred eighty-three".