555040345 has 8 divisors (see below), whose sum is σ = 681538176. Its totient is φ = 433705776.

The previous prime is 555040313. The next prime is 555040391. The reversal of 555040345 is 543040555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 555040345 - 2⁵ = 555040313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290577 + ... + 1291006.

It is an arithmetic number, because the mean of its divisors is an integer number (85192272).

Almost surely, 2^555040345 is an apocalyptic number.

It is an amenable number.

555040345 is a deficient number, since it is larger than the sum of its proper divisors (126497831).

555040345 is a wasteful number, since it uses less digits than its factorization.

555040345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581631.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 555040345 is about 23559.2942381558. The cubic root of 555040345 is about 821.8164891481.

The spelling of 555040345 in words is "five hundred fifty-five million, forty thousand, three hundred forty-five".