53066140 has 24 divisors (see below), whose sum is σ = 114452352. Its totient is φ = 20652480.

The previous prime is 53066093. The next prime is 53066173. The reversal of 53066140 is 4166035.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35116 + ... + 36595.

It is an arithmetic number, because the mean of its divisors is an integer number (4768848).

Almost surely, 2^53066140 is an apocalyptic number.

It is an amenable number.

53066140 is an abundant number, since it is smaller than the sum of its proper divisors (61386212).

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

53066140 is a wasteful number, since it uses less digits than its factorization.

53066140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71757 (or 71755 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 53066140 is about 7284.6509868353. The cubic root of 53066140 is about 375.7847625078.

The spelling of 53066140 in words is "fifty-three million, sixty-six thousand, one hundred forty".