52260540 has 48 divisors (see below), whose sum is σ = 147120288. Its totient is φ = 13860864.

The previous prime is 52260529. The next prime is 52260547. The reversal of 52260540 is 4506225.

It is a self number, because there is not a number n which added to its sum of digits gives 52260540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52260547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9324 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (3065006).

Almost surely, 2^52260540 is an apocalyptic number.

It is an amenable number.

52260540 is an abundant number, since it is smaller than the sum of its proper divisors (94859748).

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

52260540 is a wasteful number, since it uses less digits than its factorization.

52260540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718 (or 4716 counting only the distinct ones).

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

The square root of 52260540 is about 7229.1451776818. The cubic root of 52260540 is about 373.8734546661.

Adding to 52260540 its reverse (4506225), we get a palindrome (56766765).

The spelling of 52260540 in words is "fifty-two million, two hundred sixty thousand, five hundred forty".