546553261 has 4 divisors (see below), whose sum is σ = 547640352. Its totient is φ = 545466172.

The previous prime is 546553207. The next prime is 546553289. The reversal of 546553261 is 162355645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 546553261 - 2²¹ = 544456109 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 546553261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546553201) 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, 542791 + ... + 543796.

It is an arithmetic number, because the mean of its divisors is an integer number (136910088).

Almost surely, 2^546553261 is an apocalyptic number.

It is an amenable number.

546553261 is a deficient number, since it is larger than the sum of its proper divisors (1087091).

546553261 is a wasteful number, since it uses less digits than its factorization.

546553261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087090.

The product of its digits is 108000, while the sum is 37.

The square root of 546553261 is about 23378.4785860843. The cubic root of 546553261 is about 817.6061758617.

The spelling of 546553261 in words is "five hundred forty-six million, five hundred fifty-three thousand, two hundred sixty-one".