52581120 has 72 divisors (see below), whose sum is σ = 167943216. Its totient is φ = 14020608.

The previous prime is 52581103. The next prime is 52581121. The reversal of 52581120 is 2118525.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (52581121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007 + ... + 10686.

Almost surely, 2^52581120 is an apocalyptic number.

It is an amenable number.

52581120 is an abundant number, since it is smaller than the sum of its proper divisors (115362096).

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

52581120 is a wasteful number, since it uses less digits than its factorization.

52581120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13717 (or 13703 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 52581120 is about 7251.2840242263. The cubic root of 52581120 is about 374.6363764105.

Adding to 52581120 its reverse (2118525), we get a palindrome (54699645).

The spelling of 52581120 in words is "fifty-two million, five hundred eighty-one thousand, one hundred twenty".