53449318 has 32 divisors (see below), whose sum is σ = 91455840. Its totient is φ = 23224320.

The previous prime is 53449313. The next prime is 53449321. The reversal of 53449318 is 81394435.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53449313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126748 + ... + 127168.

It is an arithmetic number, because the mean of its divisors is an integer number (2857995).

Almost surely, 2^53449318 is an apocalyptic number.

53449318 is a deficient number, since it is larger than the sum of its proper divisors (38006522).

53449318 is a wasteful number, since it uses less digits than its factorization.

53449318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712.

The product of its digits is 51840, while the sum is 37.

The square root of 53449318 is about 7310.9040480641. The cubic root of 53449318 is about 376.6870783658.

The spelling of 53449318 in words is "fifty-three million, four hundred forty-nine thousand, three hundred eighteen".