555000554 has 4 divisors (see below), whose sum is σ = 832500834. Its totient is φ = 277500276.

The previous prime is 555000553. The next prime is 555000601. The reversal of 555000554 is 455000555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 309232225 + 245768329 = 17585^2 + 15677^2 .

It is a super-2 number, since 2×555000554² = 616051229880613832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (555000553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138750137 + ... + 138750140.

Almost surely, 2^555000554 is an apocalyptic number.

555000554 is a deficient number, since it is larger than the sum of its proper divisors (277500280).

555000554 is a wasteful number, since it uses less digits than its factorization.

555000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277500279.

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 555000554 is about 23558.4497367717. The cubic root of 555000554 is about 821.7968499262.

Subtracting from 555000554 its reverse (455000555), we obtain a palindrome (99999999).

The spelling of 555000554 in words is "five hundred fifty-five million, five hundred fifty-four", and thus it is an aban number.