4555557 has 6 divisors (see below), whose sum is σ = 6580262. Its totient is φ = 3037032.

The previous prime is 4555547. The next prime is 4555559. The reversal of 4555557 is 7555554.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 1454436 = 1761^2 + 1206^2 .

It is not a de Polignac number, because 4555557 - 2⁶ = 4555493 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4555559) 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, 253078 + ... + 253095.

Almost surely, 2^4555557 is an apocalyptic number.

It is an amenable number.

4555557 is a deficient number, since it is larger than the sum of its proper divisors (2024705).

4555557 is a wasteful number, since it uses less digits than its factorization.

4555557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506179 (or 506176 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 4555557 is about 2134.3750841874. The cubic root of 4555557 is about 165.7730119630.

The spelling of 4555557 in words is "four million, five hundred fifty-five thousand, five hundred fifty-seven".