53197798751 has 2 divisors, whose sum is σ = 53197798752. Its totient is φ = 53197798750.

The previous prime is 53197798747. The next prime is 53197798757. The reversal of 53197798751 is 15789779135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53197798751 - 2² = 53197798747 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53197798757) 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 as a sum of consecutive naturals, namely, 26598899375 + 26598899376.

It is an arithmetic number, because the mean of its divisors is an integer number (26598899376).

Almost surely, 2^53197798751 is an apocalyptic number.

53197798751 is a deficient number, since it is larger than the sum of its proper divisors (1).

53197798751 is an equidigital number, since it uses as much as digits as its factorization.

53197798751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16669800, while the sum is 62.

The spelling of 53197798751 in words is "fifty-three billion, one hundred ninety-seven million, seven hundred ninety-eight thousand, seven hundred fifty-one".