547620055 has 4 divisors (see below), whose sum is σ = 657144072. Its totient is φ = 438096040.

The previous prime is 547620037. The next prime is 547620061. The reversal of 547620055 is 550026745.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 547620055 - 2⁷ = 547619927 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 547620055.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54762001 + ... + 54762010.

It is an arithmetic number, because the mean of its divisors is an integer number (164286018).

Almost surely, 2^547620055 is an apocalyptic number.

547620055 is a deficient number, since it is larger than the sum of its proper divisors (109524017).

547620055 is a wasteful number, since it uses less digits than its factorization.

547620055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109524016.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 547620055 is about 23401.2831913124. The cubic root of 547620055 is about 818.1377803477.

The spelling of 547620055 in words is "five hundred forty-seven million, six hundred twenty thousand, fifty-five".