54591075 has 144 divisors (see below), whose sum is σ = 128134656. Its totient is φ = 21542400.

The previous prime is 54591059. The next prime is 54591083. The reversal of 54591075 is 57019545.

54591075 is a `hidden beast` number, since 545 + 9 + 107 + 5 = 666.

It is not a de Polignac number, because 54591075 - 2⁴ = 54591059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 398407 + ... + 398543.

It is an arithmetic number, because the mean of its divisors is an integer number (889824).

Almost surely, 2^54591075 is an apocalyptic number.

54591075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

54591075 is an abundant number, since it is smaller than the sum of its proper divisors (73543581).

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

54591075 is a wasteful number, since it uses less digits than its factorization.

54591075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 54591075 is about 7388.5773326128. The cubic root of 54591075 is about 379.3504021698.

The spelling of 54591075 in words is "fifty-four million, five hundred ninety-one thousand, seventy-five".