52523442 has 12 divisors (see below), whose sum is σ = 113800830. Its totient is φ = 17507808.

The previous prime is 52523441. The next prime is 52523447. The reversal of 52523442 is 24432525.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32729841 + 19793601 = 5721^2 + 4449^2 .

It is not an unprimeable number, because it can be changed into a prime (52523441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1458967 + ... + 1459002.

Almost surely, 2^52523442 is an apocalyptic number.

52523442 is an abundant number, since it is smaller than the sum of its proper divisors (61277388).

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

52523442 is a wasteful number, since it uses less digits than its factorization.

52523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917977 (or 2917974 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 52523442 is about 7247.3058442431. The cubic root of 52523442 is about 374.4993425431.

Adding to 52523442 its reverse (24432525), we get a palindrome (76955967).

The spelling of 52523442 in words is "fifty-two million, five hundred twenty-three thousand, four hundred forty-two".