53408539 has 2 divisors, whose sum is σ = 53408540. Its totient is φ = 53408538.

The previous prime is 53408521. The next prime is 53408557. The reversal of 53408539 is 93580435.

It is a balanced prime because it is at equal distance from previous prime (53408521) and next prime (53408557).

It is a cyclic number.

It is not a de Polignac number, because 53408539 - 2²¹ = 51311387 is a prime.

It is a super-2 number, since 2×53408539² = 5704944076229042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53408498 and 53408507.

It is not a weakly prime, because it can be changed into another prime (53408239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26704269 + 26704270.

It is an arithmetic number, because the mean of its divisors is an integer number (26704270).

Almost surely, 2^53408539 is an apocalyptic number.

53408539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53408539 is an equidigital number, since it uses as much as digits as its factorization.

53408539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 53408539 is about 7308.1145995393. The cubic root of 53408539 is about 376.5912565598.

The spelling of 53408539 in words is "fifty-three million, four hundred eight thousand, five hundred thirty-nine".