52442370 has 64 divisors (see below), whose sum is σ = 143130240. Its totient is φ = 13656384.

The previous prime is 52442363. The next prime is 52442417. The reversal of 52442370 is 7324425.

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 31 ways as a sum of consecutive naturals, for example, 9352 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (2236410).

Almost surely, 2^52442370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52442370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71565120).

52442370 is an abundant number, since it is smaller than the sum of its proper divisors (90687870).

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

52442370 is a wasteful number, since it uses less digits than its factorization.

52442370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4576 (or 4570 counting only the distinct ones).

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

The square root of 52442370 is about 7241.7104333162. The cubic root of 52442370 is about 374.3065584941.

Adding to 52442370 its reverse (7324425), we get a palindrome (59766795).

The spelling of 52442370 in words is "fifty-two million, four hundred forty-two thousand, three hundred seventy".