54789564 has 48 divisors (see below), whose sum is σ = 131072256. Its totient is φ = 17808000.

The previous prime is 54789541. The next prime is 54789601. The reversal of 54789564 is 46598745.

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, 90864 + ... + 91464.

It is an arithmetic number, because the mean of its divisors is an integer number (2730672).

Almost surely, 2^54789564 is an apocalyptic number.

It is an amenable number.

54789564 is an abundant number, since it is smaller than the sum of its proper divisors (76282692).

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

54789564 is a wasteful number, since it uses less digits than its factorization.

54789564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 784 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 54789564 is about 7401.9972980271. The cubic root of 54789564 is about 379.8096091491.

The spelling of 54789564 in words is "fifty-four million, seven hundred eighty-nine thousand, five hundred sixty-four".