55377853 has 2 divisors, whose sum is σ = 55377854. Its totient is φ = 55377852.

The previous prime is 55377827. The next prime is 55377869. The reversal of 55377853 is 35877355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 14953689 = 6358^2 + 3867^2 .

It is a cyclic number.

It is not a de Polignac number, because 55377853 - 2¹⁷ = 55246781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55377893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688926 + 27688927.

It is an arithmetic number, because the mean of its divisors is an integer number (27688927).

Almost surely, 2^55377853 is an apocalyptic number.

It is an amenable number.

55377853 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377853 is an equidigital number, since it uses as much as digits as its factorization.

55377853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 441000, while the sum is 43.

The square root of 55377853 is about 7441.6297274186. The cubic root of 55377853 is about 381.1641423432.

The spelling of 55377853 in words is "fifty-five million, three hundred seventy-seven thousand, eight hundred fifty-three".