53363239 has 4 divisors (see below), whose sum is σ = 53852920. Its totient is φ = 52873560.

The previous prime is 53363237. The next prime is 53363257. The reversal of 53363239 is 93236335.

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 53363239 - 2¹ = 53363237 is a prime.

It is a super-2 number, since 2×53363239² = 5695270553142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53363237) 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, 244677 + ... + 244894.

It is an arithmetic number, because the mean of its divisors is an integer number (13463230).

Almost surely, 2^53363239 is an apocalyptic number.

53363239 is a deficient number, since it is larger than the sum of its proper divisors (489681).

53363239 is a wasteful number, since it uses less digits than its factorization.

53363239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489680.

The product of its digits is 43740, while the sum is 34.

The square root of 53363239 is about 7305.0146474870. The cubic root of 53363239 is about 376.4847541808.

The spelling of 53363239 in words is "fifty-three million, three hundred sixty-three thousand, two hundred thirty-nine".