55154893 has 2 divisors, whose sum is σ = 55154894. Its totient is φ = 55154892.

The previous prime is 55154867. The next prime is 55154899. The reversal of 55154893 is 39845155.

55154893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54493924 + 660969 = 7382^2 + 813^2 .

It is a cyclic number.

It is not a de Polignac number, because 55154893 - 2⁹ = 55154381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55154899) 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, 27577446 + 27577447.

It is an arithmetic number, because the mean of its divisors is an integer number (27577447).

Almost surely, 2^55154893 is an apocalyptic number.

It is an amenable number.

55154893 is a deficient number, since it is larger than the sum of its proper divisors (1).

55154893 is an equidigital number, since it uses as much as digits as its factorization.

55154893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 40.

The square root of 55154893 is about 7426.6340289528. The cubic root of 55154893 is about 380.6519119006.

The spelling of 55154893 in words is "fifty-five million, one hundred fifty-four thousand, eight hundred ninety-three".