53873816 has 32 divisors (see below), whose sum is σ = 112590000. Its totient is φ = 24016896.

The previous prime is 53873803. The next prime is 53873819. The reversal of 53873816 is 61837835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53873819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7841 + ... + 13008.

Almost surely, 2^53873816 is an apocalyptic number.

It is an amenable number.

53873816 is an abundant number, since it is smaller than the sum of its proper divisors (58716184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53873816 is a wasteful number, since it uses less digits than its factorization.

53873816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20891 (or 20887 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 53873816 is about 7339.8784731084. The cubic root of 53873816 is about 377.6816744649.

The spelling of 53873816 in words is "fifty-three million, eight hundred seventy-three thousand, eight hundred sixteen".