52890246 has 40 divisors (see below), whose sum is σ = 121419144. Its totient is φ = 17197920.

The previous prime is 52890241. The next prime is 52890251. The reversal of 52890246 is 64209825.

It is a happy number.

52890246 is a `hidden beast` number, since 528 + 90 + 2 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (52890241) and next prime (52890251).

It is a self number, because there is not a number n which added to its sum of digits gives 52890246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52890241) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2661 + ... + 10623.

Almost surely, 2^52890246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52890246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60709572).

52890246 is an abundant number, since it is smaller than the sum of its proper divisors (68528898).

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

52890246 is a wasteful number, since it uses less digits than its factorization.

52890246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8018 (or 8009 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 52890246 is about 7272.5680471206. The cubic root of 52890246 is about 375.3691085711.

The spelling of 52890246 in words is "fifty-two million, eight hundred ninety thousand, two hundred forty-six".