53109373 has 2 divisors, whose sum is σ = 53109374. Its totient is φ = 53109372.

The previous prime is 53109361. The next prime is 53109379. The reversal of 53109373 is 37390135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52229529 + 879844 = 7227^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53109373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53109379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26554686 + 26554687.

It is an arithmetic number, because the mean of its divisors is an integer number (26554687).

Almost surely, 2^53109373 is an apocalyptic number.

It is an amenable number.

53109373 is a deficient number, since it is larger than the sum of its proper divisors (1).

53109373 is an equidigital number, since it uses as much as digits as its factorization.

53109373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 53109373 is about 7287.6177863552. The cubic root of 53109373 is about 375.8867854593.

The spelling of 53109373 in words is "fifty-three million, one hundred nine thousand, three hundred seventy-three".