53519858 has 18 divisors (see below), whose sum is σ = 93513231. Its totient is φ = 22906044.

The previous prime is 53519849. The next prime is 53519863. The reversal of 53519858 is 85891535.

53519858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 26759929 + 26759929 = 5173^2 + 5173^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5173.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 72053 + ... + 72791.

Almost surely, 2^53519858 is an apocalyptic number.

53519858 is a deficient number, since it is larger than the sum of its proper divisors (39993373).

53519858 is an frugal number, since it uses more digits than its factorization.

53519858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 748 counting only the distinct ones).

The product of its digits is 216000, while the sum is 44.

The square root of 53519858 is about 7315.7267581560. The cubic root of 53519858 is about 376.8527170604.

The spelling of 53519858 in words is "fifty-three million, five hundred nineteen thousand, eight hundred fifty-eight".