53538539 has 2 divisors, whose sum is σ = 53538540. Its totient is φ = 53538538.

The previous prime is 53538479. The next prime is 53538557. The reversal of 53538539 is 93583535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53538539 - 2¹⁶ = 53473003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53538496 and 53538505.

It is not a weakly prime, because it can be changed into another prime (53538239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26769269 + 26769270.

It is an arithmetic number, because the mean of its divisors is an integer number (26769270).

Almost surely, 2^53538539 is an apocalyptic number.

53538539 is a deficient number, since it is larger than the sum of its proper divisors (1).

53538539 is an equidigital number, since it uses as much as digits as its factorization.

53538539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 41.

The square root of 53538539 is about 7317.0034167000. The cubic root of 53538539 is about 376.8965585237.

The spelling of 53538539 in words is "fifty-three million, five hundred thirty-eight thousand, five hundred thirty-nine".