53293913 has 2 divisors, whose sum is σ = 53293914. Its totient is φ = 53293912.

The previous prime is 53293901. The next prime is 53293937. The reversal of 53293913 is 31939235.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51955264 + 1338649 = 7208^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 53293913 - 2⁴ = 53293897 is a prime.

It is not a weakly prime, because it can be changed into another prime (53293313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26646956 + 26646957.

It is an arithmetic number, because the mean of its divisors is an integer number (26646957).

Almost surely, 2^53293913 is an apocalyptic number.

It is an amenable number.

53293913 is a deficient number, since it is larger than the sum of its proper divisors (1).

53293913 is an equidigital number, since it uses as much as digits as its factorization.

53293913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 35.

The square root of 53293913 is about 7300.2680087789. The cubic root of 53293913 is about 376.3216488092.

The spelling of 53293913 in words is "fifty-three million, two hundred ninety-three thousand, nine hundred thirteen".