54412991 has 2 divisors, whose sum is σ = 54412992. Its totient is φ = 54412990.

The previous prime is 54412973. The next prime is 54412999. The reversal of 54412991 is 19921445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54412991 - 2²² = 50218687 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54412999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27206495 + 27206496.

It is an arithmetic number, because the mean of its divisors is an integer number (27206496).

Almost surely, 2^54412991 is an apocalyptic number.

54412991 is a deficient number, since it is larger than the sum of its proper divisors (1).

54412991 is an equidigital number, since it uses as much as digits as its factorization.

54412991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 54412991 is about 7376.5161831314. The cubic root of 54412991 is about 378.9374541445.

The spelling of 54412991 in words is "fifty-four million, four hundred twelve thousand, nine hundred ninety-one".