54245887 has 2 divisors, whose sum is σ = 54245888. Its totient is φ = 54245886.

The previous prime is 54245843. The next prime is 54245923. The reversal of 54245887 is 78854245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54245887 - 2¹⁹ = 53721599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54245987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27122943 + 27122944.

It is an arithmetic number, because the mean of its divisors is an integer number (27122944).

Almost surely, 2^54245887 is an apocalyptic number.

54245887 is a deficient number, since it is larger than the sum of its proper divisors (1).

54245887 is an equidigital number, since it uses as much as digits as its factorization.

54245887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 43.

The square root of 54245887 is about 7365.1807174027. The cubic root of 54245887 is about 378.5491467738.

It can be divided in two parts, 5424 and 5887, that added together give a palindrome (11311).

The spelling of 54245887 in words is "fifty-four million, two hundred forty-five thousand, eight hundred eighty-seven".