53499693 has 16 divisors (see below), whose sum is σ = 79470720. Its totient is φ = 31786944.

The previous prime is 53499689. The next prime is 53499703. The reversal of 53499693 is 39699435.

It is a happy number.

53499693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53499693 - 2² = 53499689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53499643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22521 + ... + 24782.

It is an arithmetic number, because the mean of its divisors is an integer number (4966920).

Almost surely, 2^53499693 is an apocalyptic number.

It is an amenable number.

53499693 is a deficient number, since it is larger than the sum of its proper divisors (25971027).

53499693 is a wasteful number, since it uses less digits than its factorization.

53499693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47348.

The product of its digits is 787320, while the sum is 48.

The square root of 53499693 is about 7314.3484330458. The cubic root of 53499693 is about 376.8053814239.

The spelling of 53499693 in words is "fifty-three million, four hundred ninety-nine thousand, six hundred ninety-three".