53698339 has 4 divisors (see below), whose sum is σ = 53845024. Its totient is φ = 53551656.

The previous prime is 53698331. The next prime is 53698363. The reversal of 53698339 is 93389635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53698339 - 2³ = 53698331 is a prime.

It is a super-2 number, since 2×53698339² = 5767023222717842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53698331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72792 + ... + 73525.

It is an arithmetic number, because the mean of its divisors is an integer number (13461256).

Almost surely, 2^53698339 is an apocalyptic number.

53698339 is a deficient number, since it is larger than the sum of its proper divisors (146685).

53698339 is a wasteful number, since it uses less digits than its factorization.

53698339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146684.

The product of its digits is 524880, while the sum is 46.

The square root of 53698339 is about 7327.9150513635. The cubic root of 53698339 is about 377.2711687149.

The spelling of 53698339 in words is "fifty-three million, six hundred ninety-eight thousand, three hundred thirty-nine".