53075868 has 12 divisors (see below), whose sum is σ = 123843720. Its totient is φ = 17691952.

The previous prime is 53075863. The next prime is 53075879. The reversal of 53075868 is 86857035.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211483 + ... + 2211506.

It is an arithmetic number, because the mean of its divisors is an integer number (10320310).

Almost surely, 2^53075868 is an apocalyptic number.

It is an amenable number.

53075868 is an abundant number, since it is smaller than the sum of its proper divisors (70767852).

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

53075868 is a wasteful number, since it uses less digits than its factorization.

53075868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422996 (or 4422994 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 53075868 is about 7285.3186615274. The cubic root of 53075868 is about 375.8077238589.

It can be divided in two parts, 5307 and 5868, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 53075868 in words is "fifty-three million, seventy-five thousand, eight hundred sixty-eight".