555355872 has 96 divisors (see below), whose sum is σ = 1634925600. Its totient is φ = 183389184.

The previous prime is 555355837. The next prime is 555355877. The reversal of 555355872 is 278553555.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555355877) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91228 + ... + 97124.

It is an arithmetic number, because the mean of its divisors is an integer number (17030475).

Almost surely, 2^555355872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555355872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817462800).

555355872 is an abundant number, since it is smaller than the sum of its proper divisors (1079569728).

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

555355872 is a wasteful number, since it uses less digits than its factorization.

555355872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025 (or 6011 counting only the distinct ones).

The product of its digits is 1050000, while the sum is 45.

The square root of 555355872 is about 23565.9897309661. The cubic root of 555355872 is about 821.9721872416.

It can be divided in two parts, 5553 and 55872, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 555355872 in words is "five hundred fifty-five million, three hundred fifty-five thousand, eight hundred seventy-two".