53112399 has 8 divisors (see below), whose sum is σ = 71041200. Its totient is φ = 35295936.

The previous prime is 53112383. The next prime is 53112407. The reversal of 53112399 is 99321135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53112399 - 2⁴ = 53112383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26974 + ... + 28875.

It is an arithmetic number, because the mean of its divisors is an integer number (8880150).

Almost surely, 2^53112399 is an apocalyptic number.

53112399 is a deficient number, since it is larger than the sum of its proper divisors (17928801).

53112399 is a wasteful number, since it uses less digits than its factorization.

53112399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56169.

The product of its digits is 7290, while the sum is 33.

The square root of 53112399 is about 7287.8253958228. The cubic root of 53112399 is about 375.8939242608.

The spelling of 53112399 in words is "fifty-three million, one hundred twelve thousand, three hundred ninety-nine".