52642332 has 24 divisors (see below), whose sum is σ = 136480400. Its totient is φ = 17547408.

The previous prime is 52642321. The next prime is 52642333. The reversal of 52642332 is 23324625.

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 = 52642296 and 52642305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52642333) 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, 243607 + ... + 243822.

Almost surely, 2^52642332 is an apocalyptic number.

It is an amenable number.

52642332 is an abundant number, since it is smaller than the sum of its proper divisors (83838068).

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

52642332 is a wasteful number, since it uses less digits than its factorization.

52642332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487442 (or 487434 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 52642332 is about 7255.5035662592. The cubic root of 52642332 is about 374.7816969414.

Adding to 52642332 its reverse (23324625), we get a palindrome (75966957).

The spelling of 52642332 in words is "fifty-two million, six hundred forty-two thousand, three hundred thirty-two".