555725620 has 12 divisors (see below), whose sum is σ = 1167023844. Its totient is φ = 222290240.

The previous prime is 555725539. The next prime is 555725627. The reversal of 555725620 is 26527555.

It is a happy number.

555725620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 193432464 + 362293156 = 13908^2 + 19034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 555725620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555725627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13893121 + ... + 13893160.

It is an arithmetic number, because the mean of its divisors is an integer number (97251987).

Almost surely, 2^555725620 is an apocalyptic number.

It is an amenable number.

555725620 is an abundant number, since it is smaller than the sum of its proper divisors (611298224).

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

555725620 is a wasteful number, since it uses less digits than its factorization.

555725620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27786290 (or 27786288 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 555725620 is about 23573.8333751641. The cubic root of 555725620 is about 822.1545658829.

The spelling of 555725620 in words is "five hundred fifty-five million, seven hundred twenty-five thousand, six hundred twenty".