4550551 has 4 divisors (see below), whose sum is σ = 4557600. Its totient is φ = 4543504.

The previous prime is 4550501. The next prime is 4550563. The reversal of 4550551 is 1550554.

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

It is a cyclic number.

It is not a de Polignac number, because 4550551 - 2¹⁵ = 4517783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550501) 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, 2446 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (1139400).

Almost surely, 2^4550551 is an apocalyptic number.

4550551 is a deficient number, since it is larger than the sum of its proper divisors (7049).

4550551 is an equidigital number, since it uses as much as digits as its factorization.

4550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7048.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 4550551 is about 2133.2020532523. The cubic root of 4550551 is about 165.7122682856.

The spelling of 4550551 in words is "four million, five hundred fifty thousand, five hundred fifty-one".