53013399 has 4 divisors (see below), whose sum is σ = 70684536. Its totient is φ = 35342264.

The previous prime is 53013391. The next prime is 53013407. The reversal of 53013399 is 99331035.

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

It is an interprime number because it is at equal distance from previous prime (53013391) and next prime (53013407).

It is a cyclic number.

It is not a de Polignac number, because 53013399 - 2³ = 53013391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53013391) 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, 8835564 + ... + 8835569.

It is an arithmetic number, because the mean of its divisors is an integer number (17671134).

Almost surely, 2^53013399 is an apocalyptic number.

53013399 is a deficient number, since it is larger than the sum of its proper divisors (17671137).

53013399 is a wasteful number, since it uses less digits than its factorization.

53013399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17671136.

The product of its (nonzero) digits is 10935, while the sum is 33.

The square root of 53013399 is about 7281.0300782238. The cubic root of 53013399 is about 375.6602271404.

The spelling of 53013399 in words is "fifty-three million, thirteen thousand, three hundred ninety-nine".