53435518 has 4 divisors (see below), whose sum is σ = 80153280. Its totient is φ = 26717758.

The previous prime is 53435513. The next prime is 53435531. The reversal of 53435518 is 81553435.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53435513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13358878 + ... + 13358881.

It is an arithmetic number, because the mean of its divisors is an integer number (20038320).

Almost surely, 2^53435518 is an apocalyptic number.

53435518 is a deficient number, since it is larger than the sum of its proper divisors (26717762).

53435518 is a wasteful number, since it uses less digits than its factorization.

53435518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26717761.

The product of its digits is 36000, while the sum is 34.

The square root of 53435518 is about 7309.9601914101. The cubic root of 53435518 is about 376.6546568164.

The spelling of 53435518 in words is "fifty-three million, four hundred thirty-five thousand, five hundred eighteen".