54128575 has 6 divisors (see below), whose sum is σ = 67119464. Its totient is φ = 43302840.

The previous prime is 54128519. The next prime is 54128579. The reversal of 54128575 is 57582145.

It is not a de Polignac number, because 54128575 - 2²⁵ = 20574143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54128579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1082547 + ... + 1082596.

Almost surely, 2^54128575 is an apocalyptic number.

54128575 is a deficient number, since it is larger than the sum of its proper divisors (12990889).

54128575 is a wasteful number, since it uses less digits than its factorization.

54128575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165153 (or 2165148 counting only the distinct ones).

The product of its digits is 56000, while the sum is 37.

The square root of 54128575 is about 7357.2124476598. The cubic root of 54128575 is about 378.2760667245.

The spelling of 54128575 in words is "fifty-four million, one hundred twenty-eight thousand, five hundred seventy-five".