53553988247 has 2 divisors, whose sum is σ = 53553988248. Its totient is φ = 53553988246.

The previous prime is 53553988129. The next prime is 53553988261. The reversal of 53553988247 is 74288935535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53553988247 - 2²⁸ = 53285552791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53553958247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26776994123 + 26776994124.

It is an arithmetic number, because the mean of its divisors is an integer number (26776994124).

Almost surely, 2^53553988247 is an apocalyptic number.

53553988247 is a deficient number, since it is larger than the sum of its proper divisors (1).

53553988247 is an equidigital number, since it uses as much as digits as its factorization.

53553988247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 59.

The spelling of 53553988247 in words is "fifty-three billion, five hundred fifty-three million, nine hundred eighty-eight thousand, two hundred forty-seven".