555028881 has 8 divisors (see below), whose sum is σ = 807314784. Its totient is φ = 336381120.

The previous prime is 555028829. The next prime is 555028919. The reversal of 555028881 is 188820555.

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

It is not a de Polignac number, because 555028881 - 2¹⁰ = 555027857 is a prime.

It is a super-2 number, since 2×555028881² = 616114117488224322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (555028381) 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, 8409496 + ... + 8409561.

It is an arithmetic number, because the mean of its divisors is an integer number (100914348).

Almost surely, 2^555028881 is an apocalyptic number.

It is an amenable number.

555028881 is a deficient number, since it is larger than the sum of its proper divisors (252285903).

555028881 is a wasteful number, since it uses less digits than its factorization.

555028881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16819071.

The product of its (nonzero) digits is 128000, while the sum is 42.

The square root of 555028881 is about 23559.0509358930. The cubic root of 555028881 is about 821.8108310794.

The spelling of 555028881 in words is "five hundred fifty-five million, twenty-eight thousand, eight hundred eighty-one".