52521342 has 8 divisors (see below), whose sum is σ = 105042696. Its totient is φ = 17507112.

The previous prime is 52521319. The next prime is 52521353. The reversal of 52521342 is 24312525.

It is a sphenic number, since it is the product of 3 distinct primes.

52521342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376773 + ... + 4376784.

It is an arithmetic number, because the mean of its divisors is an integer number (13130337).

Almost surely, 2^52521342 is an apocalyptic number.

52521342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52521342 is a wasteful number, since it uses less digits than its factorization.

52521342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753562.

The product of its digits is 2400, while the sum is 24.

The square root of 52521342 is about 7247.1609613696. The cubic root of 52521342 is about 374.4943513806.

Adding to 52521342 its reverse (24312525), we get a palindrome (76833867).

The spelling of 52521342 in words is "fifty-two million, five hundred twenty-one thousand, three hundred forty-two".