55525740 has 48 divisors (see below), whose sum is σ = 164620512. Its totient is φ = 13935616.

The previous prime is 55525739. The next prime is 55525747. The reversal of 55525740 is 4752555.

55525740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55525747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26199 + ... + 28238.

It is an arithmetic number, because the mean of its divisors is an integer number (3429594).

Almost surely, 2^55525740 is an apocalyptic number.

It is an amenable number.

55525740 is an abundant number, since it is smaller than the sum of its proper divisors (109094772).

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

55525740 is a wasteful number, since it uses less digits than its factorization.

55525740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54466 (or 54464 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 55525740 is about 7451.5595683051. The cubic root of 55525740 is about 381.5031413873.

It can be divided in two parts, 55525 and 740, that added together give a palindrome (56265).

The spelling of 55525740 in words is "fifty-five million, five hundred twenty-five thousand, seven hundred forty".