54844649 has 2 divisors, whose sum is σ = 54844650. Its totient is φ = 54844648.

The previous prime is 54844639. The next prime is 54844661. The reversal of 54844649 is 94644845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 5914624 = 6995^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 54844649 - 2¹⁶ = 54779113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54844609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27422324 + 27422325.

It is an arithmetic number, because the mean of its divisors is an integer number (27422325).

Almost surely, 2^54844649 is an apocalyptic number.

It is an amenable number.

54844649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54844649 is an equidigital number, since it uses as much as digits as its factorization.

54844649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 44.

The square root of 54844649 is about 7405.7173183966. The cubic root of 54844649 is about 379.9368523877.

The spelling of 54844649 in words is "fifty-four million, eight hundred forty-four thousand, six hundred forty-nine".