52244720 has 40 divisors (see below), whose sum is σ = 132513840. Its totient is φ = 18997760.

The previous prime is 52244671. The next prime is 52244741. The reversal of 52244720 is 2744225.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 52244720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28805 + ... + 30564.

It is an arithmetic number, because the mean of its divisors is an integer number (3312846).

Almost surely, 2^52244720 is an apocalyptic number.

It is an amenable number.

52244720 is an abundant number, since it is smaller than the sum of its proper divisors (80269120).

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

52244720 is a wasteful number, since it uses less digits than its factorization.

52244720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59393 (or 59387 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 52244720 is about 7228.0509129363. The cubic root of 52244720 is about 373.8357252756.

Adding to 52244720 its reverse (2744225), we get a palindrome (54988945).

The spelling of 52244720 in words is "fifty-two million, two hundred forty-four thousand, seven hundred twenty".