54689760 has 144 divisors (see below), whose sum is σ = 188579664. Its totient is φ = 14432256.

The previous prime is 54689753. The next prime is 54689773. The reversal of 54689760 is 6798645.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234604 + ... + 234836.

It is an arithmetic number, because the mean of its divisors is an integer number (1309581).

Almost surely, 2^54689760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54689760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94289832).

54689760 is an abundant number, since it is smaller than the sum of its proper divisors (133889904).

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

54689760 is a wasteful number, since it uses less digits than its factorization.

54689760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 54689760 is about 7395.2525311851. The cubic root of 54689760 is about 379.5788501294.

The spelling of 54689760 in words is "fifty-four million, six hundred eighty-nine thousand, seven hundred sixty".