4554551 has 4 divisors (see below), whose sum is σ = 4701504. Its totient is φ = 4407600.

The previous prime is 4554541. The next prime is 4554553. The reversal of 4554551 is 1554554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1554554 = 2 ⋅777277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4554551 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 (4554553) 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, 73430 + ... + 73491.

It is an arithmetic number, because the mean of its divisors is an integer number (1175376).

Almost surely, 2^4554551 is an apocalyptic number.

4554551 is a deficient number, since it is larger than the sum of its proper divisors (146953).

4554551 is a wasteful number, since it uses less digits than its factorization.

4554551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146952.

The product of its digits is 10000, while the sum is 29.

The square root of 4554551 is about 2134.1394050061. The cubic root of 4554551 is about 165.7608085576.

The spelling of 4554551 in words is "four million, five hundred fifty-four thousand, five hundred fifty-one".