52235442 has 80 divisors (see below), whose sum is σ = 135814272. Its totient is φ = 14696640.

The previous prime is 52235437. The next prime is 52235479. The reversal of 52235442 is 24453225.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 82467 + ... + 83097.

Almost surely, 2^52235442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52235442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67907136).

52235442 is an abundant number, since it is smaller than the sum of its proper divisors (83578830).

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

52235442 is a wasteful number, since it uses less digits than its factorization.

52235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 716 counting only the distinct ones).

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

The square root of 52235442 is about 7227.4090793313. The cubic root of 52235442 is about 373.8135944701.

Adding to 52235442 its reverse (24453225), we get a palindrome (76688667).

The spelling of 52235442 in words is "fifty-two million, two hundred thirty-five thousand, four hundred forty-two".