54113491 has 2 divisors, whose sum is σ = 54113492. Its totient is φ = 54113490.

The previous prime is 54113489. The next prime is 54113519. The reversal of 54113491 is 19431145.

It is an a-pointer prime, because the next prime (54113519) can be obtained adding 54113491 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54113491 - 2¹ = 54113489 is a prime.

Together with 54113489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54113441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27056745 + 27056746.

It is an arithmetic number, because the mean of its divisors is an integer number (27056746).

Almost surely, 2^54113491 is an apocalyptic number.

54113491 is a deficient number, since it is larger than the sum of its proper divisors (1).

54113491 is an equidigital number, since it uses as much as digits as its factorization.

54113491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 54113491 is about 7356.1872597155. The cubic root of 54113491 is about 378.2409254195.

The spelling of 54113491 in words is "fifty-four million, one hundred thirteen thousand, four hundred ninety-one".