53534399 has 4 divisors (see below), whose sum is σ = 54544536. Its totient is φ = 52524264.

The previous prime is 53534389. The next prime is 53534413. The reversal of 53534399 is 99343535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99343535 = 5 ⋅19868707.

It is a cyclic number.

It is not a de Polignac number, because 53534399 - 2²⁴ = 36757183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53534389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504989 + ... + 505094.

It is an arithmetic number, because the mean of its divisors is an integer number (13636134).

Almost surely, 2^53534399 is an apocalyptic number.

53534399 is a deficient number, since it is larger than the sum of its proper divisors (1010137).

53534399 is a wasteful number, since it uses less digits than its factorization.

53534399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010136.

The product of its digits is 218700, while the sum is 41.

The square root of 53534399 is about 7316.7205085339. The cubic root of 53534399 is about 376.8868434536.

The spelling of 53534399 in words is "fifty-three million, five hundred thirty-four thousand, three hundred ninety-nine".