54135280 has 40 divisors (see below), whose sum is σ = 128799792. Its totient is φ = 21149184.

The previous prime is 54135271. The next prime is 54135311. The reversal of 54135280 is 8253145.

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, 4429 + ... + 11308.

Almost surely, 2^54135280 is an apocalyptic number.

It is an amenable number.

54135280 is an abundant number, since it is smaller than the sum of its proper divisors (74664512).

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

54135280 is a wasteful number, since it uses less digits than its factorization.

54135280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793 (or 15787 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 54135280 is about 7357.6681088508. The cubic root of 54135280 is about 378.2916853161.

The spelling of 54135280 in words is "fifty-four million, one hundred thirty-five thousand, two hundred eighty".