54245251 has 2 divisors, whose sum is σ = 54245252. Its totient is φ = 54245250.

The previous prime is 54245237. The next prime is 54245281. The reversal of 54245251 is 15254245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54245251 - 2²¹ = 52148099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54245221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27122625 + 27122626.

It is an arithmetic number, because the mean of its divisors is an integer number (27122626).

Almost surely, 2^54245251 is an apocalyptic number.

54245251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54245251 is an equidigital number, since it uses as much as digits as its factorization.

54245251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 28.

The square root of 54245251 is about 7365.1375411461. The cubic root of 54245251 is about 378.5476673486.

Adding to 54245251 its reverse (15254245), we get a palindrome (69499496).

The spelling of 54245251 in words is "fifty-four million, two hundred forty-five thousand, two hundred fifty-one".