54572197 has 4 divisors (see below), whose sum is σ = 54589356. Its totient is φ = 54555040.

The previous prime is 54572179. The next prime is 54572201. The reversal of 54572197 is 79127545.

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 45171841 + 9400356 = 6721^2 + 3066^2 .

It is a cyclic number.

It is not a de Polignac number, because 54572197 - 2⁷ = 54572069 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 (54572597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254 + ... + 10687.

It is an arithmetic number, because the mean of its divisors is an integer number (13647339).

Almost surely, 2^54572197 is an apocalyptic number.

It is an amenable number.

54572197 is a deficient number, since it is larger than the sum of its proper divisors (17159).

54572197 is a wasteful number, since it uses less digits than its factorization.

54572197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158.

The product of its digits is 88200, while the sum is 40.

The square root of 54572197 is about 7387.2997096368. The cubic root of 54572197 is about 379.3066697310.

The spelling of 54572197 in words is "fifty-four million, five hundred seventy-two thousand, one hundred ninety-seven".