546551 has 4 divisors (see below), whose sum is σ = 554112. Its totient is φ = 538992.

The previous prime is 546547. The next prime is 546569. The reversal of 546551 is 155645.

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 546551 - 2² = 546547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546151) 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, 3671 + ... + 3816.

It is an arithmetic number, because the mean of its divisors is an integer number (138528).

2⁵⁴⁶⁵⁵¹ is an apocalyptic number.

546551 is a deficient number, since it is larger than the sum of its proper divisors (7561).

546551 is an equidigital number, since it uses as much as digits as its factorization.

546551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7560.

The product of its digits is 3000, while the sum is 26.

The square root of 546551 is about 739.2908764485. The cubic root of 546551 is about 81.7605048427.

The spelling of 546551 in words is "five hundred forty-six thousand, five hundred fifty-one".