54421197 has 16 divisors (see below), whose sum is σ = 78330240. Its totient is φ = 33505472.

The previous prime is 54421181. The next prime is 54421201. The reversal of 54421197 is 79112445.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54421197 - 2⁴ = 54421181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11598 + ... + 15599.

It is an arithmetic number, because the mean of its divisors is an integer number (4895640).

Almost surely, 2^54421197 is an apocalyptic number.

It is an amenable number.

54421197 is a deficient number, since it is larger than the sum of its proper divisors (23909043).

54421197 is a wasteful number, since it uses less digits than its factorization.

54421197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27252.

The product of its digits is 10080, while the sum is 33.

The square root of 54421197 is about 7377.0723867941. The cubic root of 54421197 is about 378.9565023190.

The spelling of 54421197 in words is "fifty-four million, four hundred twenty-one thousand, one hundred ninety-seven".