52245040 has 40 divisors (see below), whose sum is σ = 121898448. Its totient is φ = 20824320.

The previous prime is 52245023. The next prime is 52245071. The reversal of 52245040 is 4054225.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 25494 + ... + 27466.

Almost surely, 2^52245040 is an apocalyptic number.

It is an amenable number.

52245040 is an abundant number, since it is smaller than the sum of its proper divisors (69653408).

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

52245040 is a wasteful number, since it uses less digits than its factorization.

52245040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 52245040 is about 7228.0730488838. The cubic root of 52245040 is about 373.8364885245.

Adding to 52245040 its reverse (4054225), we get a palindrome (56299265).

The spelling of 52245040 in words is "fifty-two million, two hundred forty-five thousand, forty".