52428285 has 144 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 21047040.

The previous prime is 52428283. The next prime is 52428287. The reversal of 52428285 is 58282425.

It is an interprime number because it is at equal distance from previous prime (52428283) and next prime (52428287).

It is not a de Polignac number, because 52428285 - 2¹ = 52428283 is a prime.

Its product of digits (51200) is a multiple of the sum of its prime factors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52428281) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 888586 + ... + 888644.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^52428285 is an apocalyptic number.

It is an amenable number.

52428285 is an abundant number, since it is smaller than the sum of its proper divisors (67080195).

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

52428285 is a wasteful number, since it uses less digits than its factorization.

52428285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 118 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 52428285 is about 7240.7378767637. The cubic root of 52428285 is about 374.2730450078.

The spelling of 52428285 in words is "fifty-two million, four hundred twenty-eight thousand, two hundred eighty-five".