54442747 has 2 divisors, whose sum is σ = 54442748. Its totient is φ = 54442746.

The previous prime is 54442693. The next prime is 54442757. The reversal of 54442747 is 74724445.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54442747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54442757) 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 as a sum of consecutive naturals, namely, 27221373 + 27221374.

It is an arithmetic number, because the mean of its divisors is an integer number (27221374).

Almost surely, 2^54442747 is an apocalyptic number.

54442747 is a deficient number, since it is larger than the sum of its proper divisors (1).

54442747 is an equidigital number, since it uses as much as digits as its factorization.

54442747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 37.

The square root of 54442747 is about 7378.5328487444. The cubic root of 54442747 is about 379.0065161333.

The spelling of 54442747 in words is "fifty-four million, four hundred forty-two thousand, seven hundred forty-seven".