54201409 has 4 divisors (see below), whose sum is σ = 56558016. Its totient is φ = 51844804.

The previous prime is 54201403. The next prime is 54201437. The reversal of 54201409 is 90410245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54201409 - 2⁹ = 54200897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54201403) 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, 1178269 + ... + 1178314.

It is an arithmetic number, because the mean of its divisors is an integer number (14139504).

Almost surely, 2^54201409 is an apocalyptic number.

It is an amenable number.

54201409 is a deficient number, since it is larger than the sum of its proper divisors (2356607).

54201409 is a wasteful number, since it uses less digits than its factorization.

54201409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356606.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 54201409 is about 7362.1606203614. The cubic root of 54201409 is about 378.4456568213.

The spelling of 54201409 in words is "fifty-four million, two hundred one thousand, four hundred nine".