53117333251 has 2 divisors, whose sum is σ = 53117333252. Its totient is φ = 53117333250.

The previous prime is 53117333239. The next prime is 53117333263. The reversal of 53117333251 is 15233371135.

It is a balanced prime because it is at equal distance from previous prime (53117333239) and next prime (53117333263).

It is a cyclic number.

It is not a de Polignac number, because 53117333251 - 2⁷ = 53117333123 is a prime.

It is not a weakly prime, because it can be changed into another prime (53117333651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26558666625 + 26558666626.

It is an arithmetic number, because the mean of its divisors is an integer number (26558666626).

Almost surely, 2^53117333251 is an apocalyptic number.

53117333251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53117333251 is an equidigital number, since it uses as much as digits as its factorization.

53117333251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28350, while the sum is 34.

The spelling of 53117333251 in words is "fifty-three billion, one hundred seventeen million, three hundred thirty-three thousand, two hundred fifty-one".