52897242 has 8 divisors (see below), whose sum is σ = 105794496. Its totient is φ = 17632412.

The previous prime is 52897241. The next prime is 52897277. The reversal of 52897242 is 24279825.

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

52897242 is an admirable number.

It is a super-2 number, since 2×52897242² = 5596236422413128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52897242.

It is not an unprimeable number, because it can be changed into a prime (52897241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4408098 + ... + 4408109.

It is an arithmetic number, because the mean of its divisors is an integer number (13224312).

Almost surely, 2^52897242 is an apocalyptic number.

52897242 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.

52897242 is a wasteful number, since it uses less digits than its factorization.

52897242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816212.

The product of its digits is 80640, while the sum is 39.

The square root of 52897242 is about 7273.0490167467. The cubic root of 52897242 is about 375.3856583555.

The spelling of 52897242 in words is "fifty-two million, eight hundred ninety-seven thousand, two hundred forty-two".