52142885 has 16 divisors (see below), whose sum is σ = 63550656. Its totient is φ = 41067648.

The previous prime is 52142851. The next prime is 52142887. The reversal of 52142885 is 58824125.

It is a happy number.

52142885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 52142885 - 2¹⁶ = 52077349 is a prime.

It is a super-2 number, since 2×52142885² = 5437760912246450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52142887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111422 + ... + 111888.

It is an arithmetic number, because the mean of its divisors is an integer number (3971916).

Almost surely, 2^52142885 is an apocalyptic number.

It is an amenable number.

52142885 is a deficient number, since it is larger than the sum of its proper divisors (11407771).

52142885 is a wasteful number, since it uses less digits than its factorization.

52142885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its digits is 25600, while the sum is 35.

The square root of 52142885 is about 7221.0030466688. The cubic root of 52142885 is about 373.5926747315.

The spelling of 52142885 in words is "fifty-two million, one hundred forty-two thousand, eight hundred eighty-five".