54428275 has 12 divisors (see below), whose sum is σ = 73626984. Its totient is φ = 39584000.

The previous prime is 54428249. The next prime is 54428299. The reversal of 54428275 is 57282445.

It is a happy number.

It is not a de Polignac number, because 54428275 - 2¹¹ = 54426227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98686 + ... + 99235.

It is an arithmetic number, because the mean of its divisors is an integer number (6135582).

Almost surely, 2^54428275 is an apocalyptic number.

54428275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54428275 is a deficient number, since it is larger than the sum of its proper divisors (19198709).

54428275 is a wasteful number, since it uses less digits than its factorization.

54428275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197942 (or 197937 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 54428275 is about 7377.5521007987. The cubic root of 54428275 is about 378.9729305859.

The spelling of 54428275 in words is "fifty-four million, four hundred twenty-eight thousand, two hundred seventy-five".