53308793 has 2 divisors, whose sum is σ = 53308794. Its totient is φ = 53308792.

The previous prime is 53308789. The next prime is 53308841. The reversal of 53308793 is 39780335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 1281424 = 7213^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 53308793 - 2² = 53308789 is a prime.

It is a super-2 number, since 2×53308793² = 5683654822233698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53388793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26654396 + 26654397.

It is an arithmetic number, because the mean of its divisors is an integer number (26654397).

Almost surely, 2^53308793 is an apocalyptic number.

It is an amenable number.

53308793 is a deficient number, since it is larger than the sum of its proper divisors (1).

53308793 is an equidigital number, since it uses as much as digits as its factorization.

53308793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 53308793 is about 7301.2870783171. The cubic root of 53308793 is about 376.3566693506.

The spelling of 53308793 in words is "fifty-three million, three hundred eight thousand, seven hundred ninety-three".