53069899 has 4 divisors (see below), whose sum is σ = 53666280. Its totient is φ = 52473520.

The previous prime is 53069897. The next prime is 53069911. The reversal of 53069899 is 99896035.

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

It is a cyclic number.

It is not a de Polignac number, because 53069899 - 2¹ = 53069897 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53069897) 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, 298057 + ... + 298234.

It is an arithmetic number, because the mean of its divisors is an integer number (13416570).

Almost surely, 2^53069899 is an apocalyptic number.

53069899 is a deficient number, since it is larger than the sum of its proper divisors (596381).

53069899 is an equidigital number, since it uses as much as digits as its factorization.

53069899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596380.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 53069899 is about 7284.9089905091. The cubic root of 53069899 is about 375.7936353444.

The spelling of 53069899 in words is "fifty-three million, sixty-nine thousand, eight hundred ninety-nine".