54251563 has 2 divisors, whose sum is σ = 54251564. Its totient is φ = 54251562.

The previous prime is 54251557. The next prime is 54251599. The reversal of 54251563 is 36515245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54251563 - 2⁵ = 54251531 is a prime.

It is not a weakly prime, because it can be changed into another prime (54251513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125781 + 27125782.

It is an arithmetic number, because the mean of its divisors is an integer number (27125782).

Almost surely, 2^54251563 is an apocalyptic number.

54251563 is a deficient number, since it is larger than the sum of its proper divisors (1).

54251563 is an equidigital number, since it uses as much as digits as its factorization.

54251563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 31.

The square root of 54251563 is about 7365.5660339176. The cubic root of 54251563 is about 378.5623494339.

The spelling of 54251563 in words is "fifty-four million, two hundred fifty-one thousand, five hundred sixty-three".