52064140 has 24 divisors (see below), whose sum is σ = 109473840. Its totient is φ = 20799168.

The previous prime is 52064113. The next prime is 52064153. The reversal of 52064140 is 4146025.

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, 24646 + ... + 26674.

It is an arithmetic number, because the mean of its divisors is an integer number (4561410).

Almost surely, 2^52064140 is an apocalyptic number.

It is an amenable number.

52064140 is an abundant number, since it is smaller than the sum of its proper divisors (57409700).

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

52064140 is a wasteful number, since it uses less digits than its factorization.

52064140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321 (or 3319 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 52064140 is about 7215.5484892002. The cubic root of 52064140 is about 373.4045162596.

The spelling of 52064140 in words is "fifty-two million, sixty-four thousand, one hundred forty".