53254309 has 2 divisors, whose sum is σ = 53254310. Its totient is φ = 53254308.

The previous prime is 53254231. The next prime is 53254343. The reversal of 53254309 is 90345235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53246209 + 8100 = 7297^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 53254309 - 2⁷ = 53254181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53254349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627154 + 26627155.

It is an arithmetic number, because the mean of its divisors is an integer number (26627155).

Almost surely, 2^53254309 is an apocalyptic number.

It is an amenable number.

53254309 is a deficient number, since it is larger than the sum of its proper divisors (1).

53254309 is an equidigital number, since it uses as much as digits as its factorization.

53254309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53254309 is about 7297.5550015056. Note that the first 3 decimals coincide. The cubic root of 53254309 is about 376.2284077924.

The spelling of 53254309 in words is "fifty-three million, two hundred fifty-four thousand, three hundred nine".