547649664 has 32 divisors (see below), whose sum is σ = 1454695440. Its totient is φ = 182549760.

The previous prime is 547649657. The next prime is 547649693. The reversal of 547649664 is 466946745.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712702 + ... + 713469.

Almost surely, 2^547649664 is an apocalyptic number.

It is an amenable number.

547649664 is an abundant number, since it is smaller than the sum of its proper divisors (907045776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

547649664 is a wasteful number, since it uses less digits than its factorization.

547649664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426188 (or 1426176 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 547649664 is about 23401.9158190093. The cubic root of 547649664 is about 818.1525252453.

The spelling of 547649664 in words is "five hundred forty-seven million, six hundred forty-nine thousand, six hundred sixty-four".