54887893 has 2 divisors, whose sum is σ = 54887894. Its totient is φ = 54887892.

The previous prime is 54887879. The next prime is 54887957. The reversal of 54887893 is 39878845.

54887893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47087044 + 7800849 = 6862^2 + 2793^2 .

It is a cyclic number.

It is not a de Polignac number, because 54887893 - 2⁹ = 54887381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54887893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54887803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27443946 + 27443947.

It is an arithmetic number, because the mean of its divisors is an integer number (27443947).

Almost surely, 2^54887893 is an apocalyptic number.

It is an amenable number.

54887893 is a deficient number, since it is larger than the sum of its proper divisors (1).

54887893 is an equidigital number, since it uses as much as digits as its factorization.

54887893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The square root of 54887893 is about 7408.6363792536. The cubic root of 54887893 is about 380.0366839008.

The spelling of 54887893 in words is "fifty-four million, eight hundred eighty-seven thousand, eight hundred ninety-three".