54426491 has 4 divisors (see below), whose sum is σ = 62201712. Its totient is φ = 46651272.

The previous prime is 54426481. The next prime is 54426509. The reversal of 54426491 is 19462445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54426491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54426451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3887600 + ... + 3887613.

It is an arithmetic number, because the mean of its divisors is an integer number (15550428).

Almost surely, 2^54426491 is an apocalyptic number.

54426491 is a deficient number, since it is larger than the sum of its proper divisors (7775221).

54426491 is an equidigital number, since it uses as much as digits as its factorization.

54426491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775220.

The product of its digits is 34560, while the sum is 35.

The square root of 54426491 is about 7377.4311924951. The cubic root of 54426491 is about 378.9687899985.

The spelling of 54426491 in words is "fifty-four million, four hundred twenty-six thousand, four hundred ninety-one".