53415539 has 2 divisors, whose sum is σ = 53415540. Its totient is φ = 53415538.

The previous prime is 53415533. The next prime is 53415601. The reversal of 53415539 is 93551435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53415539 - 2²⁴ = 36638323 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53415499 and 53415508.

It is not a weakly prime, because it can be changed into another prime (53415533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26707769 + 26707770.

It is an arithmetic number, because the mean of its divisors is an integer number (26707770).

Almost surely, 2^53415539 is an apocalyptic number.

53415539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53415539 is an equidigital number, since it uses as much as digits as its factorization.

53415539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 35.

The square root of 53415539 is about 7308.5935035409. The cubic root of 53415539 is about 376.6077085085.

The spelling of 53415539 in words is "fifty-three million, four hundred fifteen thousand, five hundred thirty-nine".