51250555351 has 8 divisors (see below), whose sum is σ = 53220593664. Its totient is φ = 49300316760.

The previous prime is 51250555249. The next prime is 51250555387. The reversal of 51250555351 is 15355505215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51250555351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51250555351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250555651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4944655 + ... + 4955008.

It is an arithmetic number, because the mean of its divisors is an integer number (6652574208).

Almost surely, 2^51250555351 is an apocalyptic number.

51250555351 is a deficient number, since it is larger than the sum of its proper divisors (1970038313).

51250555351 is a wasteful number, since it uses less digits than its factorization.

51250555351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9899861.

The product of its (nonzero) digits is 93750, while the sum is 37.

The spelling of 51250555351 in words is "fifty-one billion, two hundred fifty million, five hundred fifty-five thousand, three hundred fifty-one".