52252668 has 48 divisors (see below), whose sum is σ = 145894560. Its totient is φ = 16077312.

The previous prime is 52252667. The next prime is 52252687. The reversal of 52252668 is 86625225.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52252667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17205 + ... + 20012.

It is an arithmetic number, because the mean of its divisors is an integer number (3039470).

Almost surely, 2^52252668 is an apocalyptic number.

It is an amenable number.

52252668 is an abundant number, since it is smaller than the sum of its proper divisors (93641892).

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

52252668 is a wasteful number, since it uses less digits than its factorization.

52252668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37243 (or 37235 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 52252668 is about 7228.6006944636. The cubic root of 52252668 is about 373.8546815496.

The spelling of 52252668 in words is "fifty-two million, two hundred fifty-two thousand, six hundred sixty-eight".