52206042 has 64 divisors (see below), whose sum is σ = 123577344. Its totient is φ = 14394240.

The previous prime is 52206041. The next prime is 52206043. The reversal of 52206042 is 24060225.

It is an interprime number because it is at equal distance from previous prime (52206041) and next prime (52206043).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (52206041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247317 + ... + 247527.

It is an arithmetic number, because the mean of its divisors is an integer number (1930896).

Almost surely, 2^52206042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52206042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61788672).

52206042 is an abundant number, since it is smaller than the sum of its proper divisors (71371302).

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

52206042 is a wasteful number, since it uses less digits than its factorization.

52206042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 52206042 is about 7225.3748691677. The cubic root of 52206042 is about 373.7434493619.

Adding to 52206042 its reverse (24060225), we get a palindrome (76266267).

The spelling of 52206042 in words is "fifty-two million, two hundred six thousand, forty-two".