555376081 has 6 divisors (see below), whose sum is σ = 601383750. Its totient is φ = 512654688.

The previous prime is 555376069. The next prime is 555376091. The reversal of 555376081 is 180673555.

It can be written as a sum of positive squares in 3 ways, for example, as 49126081 + 506250000 = 7009^2 + 22500^2 .

It is not a de Polignac number, because 555376081 - 2⁵ = 555376049 is a prime.

It is a super-2 number, since 2×555376081² = 616885182693837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555376001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1642956 + ... + 1643293.

It is an arithmetic number, because the mean of its divisors is an integer number (100230625).

Almost surely, 2^555376081 is an apocalyptic number.

It is an amenable number.

555376081 is a deficient number, since it is larger than the sum of its proper divisors (46007669).

555376081 is a wasteful number, since it uses less digits than its factorization.

555376081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286275 (or 3286262 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 555376081 is about 23566.4185017580. The cubic root of 555376081 is about 821.9821574459.

The spelling of 555376081 in words is "five hundred fifty-five million, three hundred seventy-six thousand, eighty-one".