54754991 has 2 divisors, whose sum is σ = 54754992. Its totient is φ = 54754990.

The previous prime is 54754981. The next prime is 54755023. The reversal of 54754991 is 19945745.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54754991 - 2¹⁸ = 54492847 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 (54754901) 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, 27377495 + 27377496.

It is an arithmetic number, because the mean of its divisors is an integer number (27377496).

Almost surely, 2^54754991 is an apocalyptic number.

54754991 is a deficient number, since it is larger than the sum of its proper divisors (1).

54754991 is an equidigital number, since it uses as much as digits as its factorization.

54754991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 44.

The square root of 54754991 is about 7399.6615463141. The cubic root of 54754991 is about 379.7297039044.

The spelling of 54754991 in words is "fifty-four million, seven hundred fifty-four thousand, nine hundred ninety-one".