555621742 has 16 divisors (see below), whose sum is σ = 926497152. Its totient is φ = 248168160.

The previous prime is 555621719. The next prime is 555621743. The reversal of 555621742 is 247126555.

555621742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×555621742² = 617431040366229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555621743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343873 + ... + 345484.

It is an arithmetic number, because the mean of its divisors is an integer number (57906072).

Almost surely, 2^555621742 is an apocalyptic number.

555621742 is a deficient number, since it is larger than the sum of its proper divisors (370875410).

555621742 is a wasteful number, since it uses less digits than its factorization.

555621742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689403.

The product of its digits is 84000, while the sum is 37.

The square root of 555621742 is about 23571.6300242474. The cubic root of 555621742 is about 822.1033361088.

The spelling of 555621742 in words is "five hundred fifty-five million, six hundred twenty-one thousand, seven hundred forty-two".