52742232 has 32 divisors (see below), whose sum is σ = 146506800. Its totient is φ = 17580672.

The previous prime is 52742231. The next prime is 52742237. The reversal of 52742232 is 23224725.

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

It is a junction number, because it is equal to n+sod(n) for n = 52742196 and 52742205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52742231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121873 + ... + 122304.

Almost surely, 2^52742232 is an apocalyptic number.

It is an amenable number.

52742232 is an abundant number, since it is smaller than the sum of its proper divisors (93764568).

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

52742232 is a wasteful number, since it uses less digits than its factorization.

52742232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244192 (or 244182 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 52742232 is about 7262.3847323038. The cubic root of 52742232 is about 375.0186230751.

Adding to 52742232 its reverse (23224725), we get a palindrome (75966957).

The spelling of 52742232 in words is "fifty-two million, seven hundred forty-two thousand, two hundred thirty-two".