54051889 has 2 divisors, whose sum is σ = 54051890. Its totient is φ = 54051888.

The previous prime is 54051887. The next prime is 54051913. The reversal of 54051889 is 98815045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33258289 + 20793600 = 5767^2 + 4560^2 .

It is a cyclic number.

It is not a de Polignac number, because 54051889 - 2¹ = 54051887 is a prime.

Together with 54051887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54051883) 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, 27025944 + 27025945.

It is an arithmetic number, because the mean of its divisors is an integer number (27025945).

Almost surely, 2^54051889 is an apocalyptic number.

It is an amenable number.

54051889 is a deficient number, since it is larger than the sum of its proper divisors (1).

54051889 is an equidigital number, since it uses as much as digits as its factorization.

54051889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 54051889 is about 7351.9989798694. The cubic root of 54051889 is about 378.0973429581.

The spelling of 54051889 in words is "fifty-four million, fifty-one thousand, eight hundred eighty-nine".