54925891 has 2 divisors, whose sum is σ = 54925892. Its totient is φ = 54925890.

The previous prime is 54925841. The next prime is 54925901. The reversal of 54925891 is 19852945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54925891 - 2⁷ = 54925763 is a prime.

It is not a weakly prime, because it can be changed into another prime (54925841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27462945 + 27462946.

It is an arithmetic number, because the mean of its divisors is an integer number (27462946).

Almost surely, 2^54925891 is an apocalyptic number.

54925891 is a deficient number, since it is larger than the sum of its proper divisors (1).

54925891 is an equidigital number, since it uses as much as digits as its factorization.

54925891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 54925891 is about 7411.2003751079. The cubic root of 54925891 is about 380.1243614199.

The spelling of 54925891 in words is "fifty-four million, nine hundred twenty-five thousand, eight hundred ninety-one".