53311373 has 2 divisors, whose sum is σ = 53311374. Its totient is φ = 53311372.

The previous prime is 53311259. The next prime is 53311381. The reversal of 53311373 is 37311335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45454564 + 7856809 = 6742^2 + 2803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53311373 is a prime.

It is a super-2 number, since 2×53311373² = 5684204982290258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53311673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26655686 + 26655687.

It is an arithmetic number, because the mean of its divisors is an integer number (26655687).

Almost surely, 2^53311373 is an apocalyptic number.

It is an amenable number.

53311373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53311373 is an equidigital number, since it uses as much as digits as its factorization.

53311373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 26.

The square root of 53311373 is about 7301.4637573572. The cubic root of 53311373 is about 376.3627407977.

The spelling of 53311373 in words is "fifty-three million, three hundred eleven thousand, three hundred seventy-three".