555057330 has 32 divisors (see below), whose sum is σ = 1363120704. Its totient is φ = 144572736.

The previous prime is 555057323. The next prime is 555057343. The reversal of 555057330 is 33750555.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 555057291 and 555057300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213849 + ... + 216428.

It is an arithmetic number, because the mean of its divisors is an integer number (42597522).

Almost surely, 2^555057330 is an apocalyptic number.

555057330 is an abundant number, since it is smaller than the sum of its proper divisors (808063374).

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

555057330 is a wasteful number, since it uses less digits than its factorization.

555057330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430330.

The product of its (nonzero) digits is 39375, while the sum is 33.

The square root of 555057330 is about 23559.6547088449. The cubic root of 555057330 is about 821.8248719685.

It can be divided in two parts, 55505 and 7330, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 555057330 in words is "five hundred fifty-five million, fifty-seven thousand, three hundred thirty".