54663251 has 2 divisors, whose sum is σ = 54663252. Its totient is φ = 54663250.

The previous prime is 54663241. The next prime is 54663263. The reversal of 54663251 is 15236645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54663251 - 2⁶ = 54663187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54663241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27331625 + 27331626.

It is an arithmetic number, because the mean of its divisors is an integer number (27331626).

Almost surely, 2^54663251 is an apocalyptic number.

54663251 is a deficient number, since it is larger than the sum of its proper divisors (1).

54663251 is an equidigital number, since it uses as much as digits as its factorization.

54663251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 32.

The square root of 54663251 is about 7393.4600154461. The cubic root of 54663251 is about 379.5175109077.

Adding to 54663251 its reverse (15236645), we get a palindrome (69899896).

The spelling of 54663251 in words is "fifty-four million, six hundred sixty-three thousand, two hundred fifty-one".