55347664 has 20 divisors (see below), whose sum is σ = 109055520. Its totient is φ = 27204320.

The previous prime is 55347659. The next prime is 55347673. The reversal of 55347664 is 46674355.

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, 28372 + ... + 30259.

It is an arithmetic number, because the mean of its divisors is an integer number (5452776).

Almost surely, 2^55347664 is an apocalyptic number.

It is an amenable number.

55347664 is a deficient number, since it is larger than the sum of its proper divisors (53707856).

55347664 is a wasteful number, since it uses less digits than its factorization.

55347664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58698 (or 58692 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The square root of 55347664 is about 7439.6010645733. The cubic root of 55347664 is about 381.0948664186.

The spelling of 55347664 in words is "fifty-five million, three hundred forty-seven thousand, six hundred sixty-four".