555061081 has 4 divisors (see below), whose sum is σ = 557506512. Its totient is φ = 552615652.

The previous prime is 555061069. The next prime is 555061099. The reversal of 555061081 is 180160555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 555061081 - 2¹¹ = 555059033 is a prime.

It is a super-2 number, since 2×555061081² = 616185607281777122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555061181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222375 + ... + 1222828.

It is an arithmetic number, because the mean of its divisors is an integer number (139376628).

Almost surely, 2^555061081 is an apocalyptic number.

It is an amenable number.

555061081 is a deficient number, since it is larger than the sum of its proper divisors (2445431).

555061081 is a wasteful number, since it uses less digits than its factorization.

555061081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445430.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 555061081 is about 23559.7343151403. The cubic root of 555061081 is about 821.8267232236.

The spelling of 555061081 in words is "five hundred fifty-five million, sixty-one thousand, eighty-one".