53363515631 has 2 divisors, whose sum is σ = 53363515632. Its totient is φ = 53363515630.

The previous prime is 53363515589. The next prime is 53363515633. The reversal of 53363515631 is 13651536335.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53363515631 is a prime.

It is a super-2 number, since 2×53363515631² (a number of 22 digits) contains 22 as substring.

Together with 53363515633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53363515633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26681757815 + 26681757816.

It is an arithmetic number, because the mean of its divisors is an integer number (26681757816).

Almost surely, 2^53363515631 is an apocalyptic number.

53363515631 is a deficient number, since it is larger than the sum of its proper divisors (1).

53363515631 is an equidigital number, since it uses as much as digits as its factorization.

53363515631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 364500, while the sum is 41.

The spelling of 53363515631 in words is "fifty-three billion, three hundred sixty-three million, five hundred fifteen thousand, six hundred thirty-one".