54773664 has 48 divisors (see below), whose sum is σ = 156854880. Its totient is φ = 16597760.

The previous prime is 54773633. The next prime is 54773681. The reversal of 54773664 is 46637745.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24879 + ... + 26990.

It is an arithmetic number, because the mean of its divisors is an integer number (3267810).

Almost surely, 2^54773664 is an apocalyptic number.

It is an amenable number.

54773664 is an abundant number, since it is smaller than the sum of its proper divisors (102081216).

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

54773664 is a wasteful number, since it uses less digits than its factorization.

54773664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51893 (or 51885 counting only the distinct ones).

The product of its digits is 423360, while the sum is 42.

The square root of 54773664 is about 7400.9231856573. The cubic root of 54773664 is about 379.7728651867.

The spelling of 54773664 in words is "fifty-four million, seven hundred seventy-three thousand, six hundred sixty-four".