5451543 has 40 divisors (see below), whose sum is σ = 8938512. Its totient is φ = 3297024.

The previous prime is 5451503. The next prime is 5451547. The reversal of 5451543 is 3451545.

It is not a de Polignac number, because 5451543 - 2⁸ = 5451287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50896 + ... + 51002.

Almost surely, 2^5451543 is an apocalyptic number.

5451543 is a deficient number, since it is larger than the sum of its proper divisors (3486969).

5451543 is a wasteful number, since it uses less digits than its factorization.

5451543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 164 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 5451543 is about 2334.8539568890. The cubic root of 5451543 is about 175.9974926468.

The spelling of 5451543 in words is "five million, four hundred fifty-one thousand, five hundred forty-three".