54492197 has 4 divisors (see below), whose sum is σ = 54576300. Its totient is φ = 54408096.

The previous prime is 54492187. The next prime is 54492283. The reversal of 54492197 is 79129445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8916196 + 45576001 = 2986^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 54492197 - 2⁴ = 54492181 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 (54492167) 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, 41072 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (13644075).

Almost surely, 2^54492197 is an apocalyptic number.

It is an amenable number.

54492197 is a deficient number, since it is larger than the sum of its proper divisors (84103).

54492197 is an equidigital number, since it uses as much as digits as its factorization.

54492197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84102.

The product of its digits is 90720, while the sum is 41.

The square root of 54492197 is about 7381.8830253534. The cubic root of 54492197 is about 379.1212311428.

The spelling of 54492197 in words is "fifty-four million, four hundred ninety-two thousand, one hundred ninety-seven".