52567240 has 48 divisors (see below), whose sum is σ = 130018140. Its totient is φ = 19113600.

The previous prime is 52567237. The next prime is 52567241. The reversal of 52567240 is 4276525.

It can be written as a sum of positive squares in 2 ways, for example, as 51753636 + 813604 = 7194^2 + 902^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52567241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591 + ... + 10270.

Almost surely, 2^52567240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52567240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65009070).

52567240 is an abundant number, since it is smaller than the sum of its proper divisors (77450900).

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

52567240 is a wasteful number, since it uses less digits than its factorization.

52567240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894 (or 10879 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 52567240 is about 7250.3268891823. The cubic root of 52567240 is about 374.6034088706.

The spelling of 52567240 in words is "fifty-two million, five hundred sixty-seven thousand, two hundred forty".