54495289 has 4 divisors (see below), whose sum is σ = 55523556. Its totient is φ = 53467024.

The previous prime is 54495277. The next prime is 54495293. The reversal of 54495289 is 98259445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98259445 = 5 ⋅19651889.

It can be written as a sum of positive squares in 2 ways, for example, as 24157225 + 30338064 = 4915^2 + 5508^2 .

It is a cyclic number.

It is not a de Polignac number, because 54495289 - 2²³ = 46106681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54495229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514054 + ... + 514159.

It is an arithmetic number, because the mean of its divisors is an integer number (13880889).

Almost surely, 2^54495289 is an apocalyptic number.

It is an amenable number.

54495289 is a deficient number, since it is larger than the sum of its proper divisors (1028267).

54495289 is a wasteful number, since it uses less digits than its factorization.

54495289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028266.

The product of its digits is 518400, while the sum is 46.

The square root of 54495289 is about 7382.0924540404. The cubic root of 54495289 is about 379.1284017148.

The spelling of 54495289 in words is "fifty-four million, four hundred ninety-five thousand, two hundred eighty-nine".