53449299 has 18 divisors (see below), whose sum is σ = 81486756. Its totient is φ = 33755400.

The previous prime is 53449289. The next prime is 53449307. The reversal of 53449299 is 99294435.

It is a happy number.

It is not a de Polignac number, because 53449299 - 2¹³ = 53441107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53449219) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4977 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (4527042).

Almost surely, 2^53449299 is an apocalyptic number.

53449299 is a deficient number, since it is larger than the sum of its proper divisors (28037457).

53449299 is a wasteful number, since it uses less digits than its factorization.

53449299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16495 (or 16473 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 53449299 is about 7310.9027486351. The cubic root of 53449299 is about 376.6870337313.

The spelling of 53449299 in words is "fifty-three million, four hundred forty-nine thousand, two hundred ninety-nine".