55486757 has 2 divisors, whose sum is σ = 55486758. Its totient is φ = 55486756.

The previous prime is 55486751. The next prime is 55486763. The reversal of 55486757 is 75768455.

55486757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (55486751) and next prime (55486763).

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 11383876 = 6641^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 55486757 - 2¹⁶ = 55421221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55486751) 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, 27743378 + 27743379.

It is an arithmetic number, because the mean of its divisors is an integer number (27743379).

Almost surely, 2^55486757 is an apocalyptic number.

It is an amenable number.

55486757 is a deficient number, since it is larger than the sum of its proper divisors (1).

55486757 is an equidigital number, since it uses as much as digits as its factorization.

55486757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176000, while the sum is 47.

The square root of 55486757 is about 7448.9433478850. The cubic root of 55486757 is about 381.4138397483.

The spelling of 55486757 in words is "fifty-five million, four hundred eighty-six thousand, seven hundred fifty-seven".