52252074 has 64 divisors (see below), whose sum is σ = 133804800. Its totient is φ = 14805504.

The previous prime is 52252073. The next prime is 52252087. The reversal of 52252074 is 47025225.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52252073) 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, 51282 + ... + 52290.

It is an arithmetic number, because the mean of its divisors is an integer number (2090700).

Almost surely, 2^52252074 is an apocalyptic number.

52252074 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52252074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66902400).

52252074 is an abundant number, since it is smaller than the sum of its proper divisors (81552726).

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

52252074 is a wasteful number, since it uses less digits than its factorization.

52252074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1158 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52252074 is about 7228.5596075567. The cubic root of 52252074 is about 373.8532649041.

Adding to 52252074 its reverse (47025225), we get a palindrome (99277299).

The spelling of 52252074 in words is "fifty-two million, two hundred fifty-two thousand, seventy-four".