53064399 has 4 divisors (see below), whose sum is σ = 70752536. Its totient is φ = 35376264.

The previous prime is 53064391. The next prime is 53064493. The reversal of 53064399 is 99346035.

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

It is not a de Polignac number, because 53064399 - 2³ = 53064391 is a prime.

It is a super-3 number, since 3×53064399³ (a number of 24 digits) contains 333 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 (53064391) 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, 8844064 + ... + 8844069.

It is an arithmetic number, because the mean of its divisors is an integer number (17688134).

Almost surely, 2^53064399 is an apocalyptic number.

53064399 is a deficient number, since it is larger than the sum of its proper divisors (17688137).

53064399 is a wasteful number, since it uses less digits than its factorization.

53064399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688136.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 53064399 is about 7284.5314880231. The cubic root of 53064399 is about 375.7806528664.

The spelling of 53064399 in words is "fifty-three million, sixty-four thousand, three hundred ninety-nine".