53968331 has 2 divisors, whose sum is σ = 53968332. Its totient is φ = 53968330.

The previous prime is 53968301. The next prime is 53968349. The reversal of 53968331 is 13386935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53968331 - 2¹⁰ = 53967307 is a prime.

It is a super-2 number, since 2×53968331² = 5825161501851122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53968301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26984165 + 26984166.

It is an arithmetic number, because the mean of its divisors is an integer number (26984166).

Almost surely, 2^53968331 is an apocalyptic number.

53968331 is a deficient number, since it is larger than the sum of its proper divisors (1).

53968331 is an equidigital number, since it uses as much as digits as its factorization.

53968331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 53968331 is about 7346.3141098104. The cubic root of 53968331 is about 377.9024108160.

The spelling of 53968331 in words is "fifty-three million, nine hundred sixty-eight thousand, three hundred thirty-one".