53634899 has 4 divisors (see below), whose sum is σ = 53649960. Its totient is φ = 53619840.

The previous prime is 53634883. The next prime is 53634913. The reversal of 53634899 is 99843635.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53634899 - 2⁴ = 53634883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53634809) 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, 1139 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (13412490).

Almost surely, 2^53634899 is an apocalyptic number.

53634899 is a deficient number, since it is larger than the sum of its proper divisors (15061).

53634899 is an equidigital number, since it uses as much as digits as its factorization.

53634899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060.

The product of its digits is 699840, while the sum is 47.

The square root of 53634899 is about 7323.5851193251. The cubic root of 53634899 is about 377.1225389501.

The spelling of 53634899 in words is "fifty-three million, six hundred thirty-four thousand, eight hundred ninety-nine".