53016994 has 4 divisors (see below), whose sum is σ = 79525494. Its totient is φ = 26508496.

The previous prime is 53016961. The next prime is 53017007. The reversal of 53016994 is 49961035.

53016994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49961035 = 5 ⋅9992207.

It can be written as a sum of positive squares in only one way, i.e., 46580625 + 6436369 = 6825^2 + 2537^2 .

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 as a sum of consecutive naturals, namely, 13254247 + ... + 13254250.

Almost surely, 2^53016994 is an apocalyptic number.

53016994 is a deficient number, since it is larger than the sum of its proper divisors (26508500).

53016994 is a wasteful number, since it uses less digits than its factorization.

53016994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26508499.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 53016994 is about 7281.2769484480. The cubic root of 53016994 is about 375.6687185030.

The spelling of 53016994 in words is "fifty-three million, sixteen thousand, nine hundred ninety-four".