52146040 has 32 divisors (see below), whose sum is σ = 117657360. Its totient is φ = 20800000.

The previous prime is 52146023. The next prime is 52146041. The reversal of 52146040 is 4064125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52146041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14415 + ... + 17665.

Almost surely, 2^52146040 is an apocalyptic number.

It is an amenable number.

52146040 is an abundant number, since it is smaller than the sum of its proper divisors (65511320).

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

52146040 is a wasteful number, since it uses less digits than its factorization.

52146040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3659 counting only the distinct ones).

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

The square root of 52146040 is about 7221.2215033192. The cubic root of 52146040 is about 373.6002095474.

The spelling of 52146040 in words is "fifty-two million, one hundred forty-six thousand, forty".