52553540 has 24 divisors (see below), whose sum is σ = 118852440. Its totient is φ = 19404288.

The previous prime is 52553491. The next prime is 52553569. The reversal of 52553540 is 4535525.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 222784 + 52330756 = 472^2 + 7234^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 100805 + ... + 101324.

It is an arithmetic number, because the mean of its divisors is an integer number (4952185).

Almost surely, 2^52553540 is an apocalyptic number.

It is an amenable number.

52553540 is an abundant number, since it is smaller than the sum of its proper divisors (66298900).

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

52553540 is a wasteful number, since it uses less digits than its factorization.

52553540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202151 (or 202149 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 52553540 is about 7249.3820426296. The cubic root of 52553540 is about 374.5708631723.

The spelling of 52553540 in words is "fifty-two million, five hundred fifty-three thousand, five hundred forty".