54105680 has 40 divisors (see below), whose sum is σ = 126262752. Its totient is φ = 21561984.

The previous prime is 54105671. The next prime is 54105697. The reversal of 54105680 is 8650145.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 23459 + ... + 25661.

Almost surely, 2^54105680 is an apocalyptic number.

It is an amenable number.

54105680 is an abundant number, since it is smaller than the sum of its proper divisors (72157072).

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

54105680 is a wasteful number, since it uses less digits than its factorization.

54105680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523 (or 2517 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 54105680 is about 7355.6563269364. The cubic root of 54105680 is about 378.2227255093. Note that the first 3 decimals are identical.

The spelling of 54105680 in words is "fifty-four million, one hundred five thousand, six hundred eighty".