54025891 has 2 divisors, whose sum is σ = 54025892. Its totient is φ = 54025890.

The previous prime is 54025879. The next prime is 54025999. The reversal of 54025891 is 19852045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54025891 - 2¹¹ = 54023843 is a prime.

It is not a weakly prime, because it can be changed into another prime (54023891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27012945 + 27012946.

It is an arithmetic number, because the mean of its divisors is an integer number (27012946).

Almost surely, 2^54025891 is an apocalyptic number.

54025891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54025891 is an equidigital number, since it uses as much as digits as its factorization.

54025891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 54025891 is about 7350.2306766523. The cubic root of 54025891 is about 378.0367138644.

The spelling of 54025891 in words is "fifty-four million, twenty-five thousand, eight hundred ninety-one".