54253909 has 2 divisors, whose sum is σ = 54253910. Its totient is φ = 54253908.

The previous prime is 54253907. The next prime is 54253921. The reversal of 54253909 is 90935245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33524100 + 20729809 = 5790^2 + 4553^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253909 - 2¹ = 54253907 is a prime.

Together with 54253907, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54253907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27126954 + 27126955.

It is an arithmetic number, because the mean of its divisors is an integer number (27126955).

Almost surely, 2^54253909 is an apocalyptic number.

It is an amenable number.

54253909 is a deficient number, since it is larger than the sum of its proper divisors (1).

54253909 is an equidigital number, since it uses as much as digits as its factorization.

54253909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 54253909 is about 7365.7252867589. The cubic root of 54253909 is about 378.5678060783.

The spelling of 54253909 in words is "fifty-four million, two hundred fifty-three thousand, nine hundred nine".