5556554 has 4 divisors (see below), whose sum is σ = 8334834. Its totient is φ = 2778276.

The previous prime is 5556539. The next prime is 5556557. The reversal of 5556554 is 4556555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4556555 = 5 ⋅911311.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 104329 = 2335^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (5556557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389137 + ... + 1389140.

Almost surely, 2^5556554 is an apocalyptic number.

5556554 is a deficient number, since it is larger than the sum of its proper divisors (2778280).

5556554 is a wasteful number, since it uses less digits than its factorization.

5556554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778279.

The product of its digits is 75000, while the sum is 35.

The square root of 5556554 is about 2357.2343964909. The cubic root of 5556554 is about 177.1203709503.

Subtracting from 5556554 its reverse (4556555), we obtain a palindrome (999999).

The spelling of 5556554 in words is "five million, five hundred fifty-six thousand, five hundred fifty-four".