53051322251 has 2 divisors, whose sum is σ = 53051322252. Its totient is φ = 53051322250.

The previous prime is 53051322229. The next prime is 53051322257. The reversal of 53051322251 is 15222315035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53051322251 - 2¹⁸ = 53051060107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53051322257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26525661125 + 26525661126.

It is an arithmetic number, because the mean of its divisors is an integer number (26525661126).

Almost surely, 2^53051322251 is an apocalyptic number.

53051322251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53051322251 is an equidigital number, since it uses as much as digits as its factorization.

53051322251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 53051322251 its reverse (15222315035), we get a palindrome (68273637286).

The spelling of 53051322251 in words is "fifty-three billion, fifty-one million, three hundred twenty-two thousand, two hundred fifty-one".