555555672 has 80 divisors (see below), whose sum is σ = 1778380560. Its totient is φ = 158728896.

The previous prime is 555555667. The next prime is 555555701. The reversal of 555555672 is 276555555.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 56703 + ... + 65774.

It is an arithmetic number, because the mean of its divisors is an integer number (22229757).

Almost surely, 2^555555672 is an apocalyptic number.

It is an amenable number.

555555672 is an abundant number, since it is smaller than the sum of its proper divisors (1222824888).

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

555555672 is a wasteful number, since it uses less digits than its factorization.

555555672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122502 (or 122489 counting only the distinct ones).

The product of its digits is 1312500, while the sum is 45.

The square root of 555555672 is about 23570.2285097111. The cubic root of 555555672 is about 822.0707488788.

The spelling of 555555672 in words is "five hundred fifty-five million, five hundred fifty-five thousand, six hundred seventy-two".