53161516 has 24 divisors (see below), whose sum is σ = 99096480. Its totient is φ = 24867072.

The previous prime is 53161483. The next prime is 53161517. The reversal of 53161516 is 61516135.

53161516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53161516² = 5652293566836512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53161517) 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 7 ways as a sum of consecutive naturals, for example, 9505 + ... + 14023.

It is an arithmetic number, because the mean of its divisors is an integer number (4129020).

Almost surely, 2^53161516 is an apocalyptic number.

It is an amenable number.

53161516 is a deficient number, since it is larger than the sum of its proper divisors (45934964).

53161516 is a wasteful number, since it uses less digits than its factorization.

53161516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713 (or 4711 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 53161516 is about 7291.1944151833. The cubic root of 53161516 is about 376.0097609508.

The spelling of 53161516 in words is "fifty-three million, one hundred sixty-one thousand, five hundred sixteen".