54253649 has 2 divisors, whose sum is σ = 54253650. Its totient is φ = 54253648.

The previous prime is 54253643. The next prime is 54253657. The reversal of 54253649 is 94635245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 25684624 = 5345^2 + 5068^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253649 - 2¹² = 54249553 is a prime.

It is not a weakly prime, because it can be changed into another prime (54253643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27126824 + 27126825.

It is an arithmetic number, because the mean of its divisors is an integer number (27126825).

Almost surely, 2^54253649 is an apocalyptic number.

It is an amenable number.

54253649 is a deficient number, since it is larger than the sum of its proper divisors (1).

54253649 is an equidigital number, since it uses as much as digits as its factorization.

54253649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 54253649 is about 7365.7076374236. The cubic root of 54253649 is about 378.5672013429.

The spelling of 54253649 in words is "fifty-four million, two hundred fifty-three thousand, six hundred forty-nine".