545543061 has 16 divisors (see below), whose sum is σ = 832301184. Its totient is φ = 311364864.

The previous prime is 545543057. The next prime is 545543101. The reversal of 545543061 is 160345545.

It is not a de Polignac number, because 545543061 - 2² = 545543057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545543051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841 + ... + 33153.

It is an arithmetic number, because the mean of its divisors is an integer number (52018824).

Almost surely, 2^545543061 is an apocalyptic number.

It is an amenable number.

545543061 is a deficient number, since it is larger than the sum of its proper divisors (286758123).

545543061 is a wasteful number, since it uses less digits than its factorization.

545543061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31180.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 545543061 is about 23356.8632525860. The cubic root of 545543061 is about 817.1021352317.

It can be divided in two parts, 5455 and 43061, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 545543061 in words is "five hundred forty-five million, five hundred forty-three thousand, sixty-one".