547664645 has 16 divisors (see below), whose sum is σ = 754678080. Its totient is φ = 377337600.

The previous prime is 547664599. The next prime is 547664651. The reversal of 547664645 is 546466745.

It is not a de Polignac number, because 547664645 - 2⁶ = 547664581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 547664645.

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 15 ways as a sum of consecutive naturals, for example, 260996 + ... + 263085.

It is an arithmetic number, because the mean of its divisors is an integer number (47167380).

Almost surely, 2^547664645 is an apocalyptic number.

547664645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

547664645 is a deficient number, since it is larger than the sum of its proper divisors (207013435).

547664645 is a wasteful number, since it uses less digits than its factorization.

547664645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524116.

The product of its digits is 2419200, while the sum is 47.

The square root of 547664645 is about 23402.2358974522. The cubic root of 547664645 is about 818.1599853864.

The spelling of 547664645 in words is "five hundred forty-seven million, six hundred sixty-four thousand, six hundred forty-five".