53383383257 has 2 divisors, whose sum is σ = 53383383258. Its totient is φ = 53383383256.

The previous prime is 53383383253. The next prime is 53383383259. The reversal of 53383383257 is 75238338335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45445286041 + 7938097216 = 213179^2 + 89096^2 .

It is a cyclic number.

It is not a de Polignac number, because 53383383257 - 2² = 53383383253 is a prime.

Together with 53383383259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53383383253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26691691628 + 26691691629.

It is an arithmetic number, because the mean of its divisors is an integer number (26691691629).

Almost surely, 2^53383383257 is an apocalyptic number.

It is an amenable number.

53383383257 is a deficient number, since it is larger than the sum of its proper divisors (1).

53383383257 is an equidigital number, since it uses as much as digits as its factorization.

53383383257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 50.

The spelling of 53383383257 in words is "fifty-three billion, three hundred eighty-three million, three hundred eighty-three thousand, two hundred fifty-seven".