52181044 has 24 divisors (see below), whose sum is σ = 93999528. Its totient is φ = 25334400.

The previous prime is 52180993. The next prime is 52181071. The reversal of 52181044 is 44018125.

It can be written as a sum of positive squares in 4 ways, for example, as 40195600 + 11985444 = 6340^2 + 3462^2 .

It is a super-2 number, since 2×52181044² = 5445722705859872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20194 + ... + 22630.

It is an arithmetic number, because the mean of its divisors is an integer number (3916647).

Almost surely, 2^52181044 is an apocalyptic number.

It is an amenable number.

52181044 is a deficient number, since it is larger than the sum of its proper divisors (41818484).

52181044 is a wasteful number, since it uses less digits than its factorization.

52181044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 52181044 is about 7223.6447863942. The cubic root of 52181044 is about 373.6837862143.

Adding to 52181044 its reverse (44018125), we get a palindrome (96199169).

The spelling of 52181044 in words is "fifty-two million, one hundred eighty-one thousand, forty-four".