55683553 has 2 divisors, whose sum is σ = 55683554. Its totient is φ = 55683552.

The previous prime is 55683541. The next prime is 55683559. The reversal of 55683553 is 35538655.

55683553 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., 55175184 + 508369 = 7428^2 + 713^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55683553 is a prime.

It is not a weakly prime, because it can be changed into another prime (55683559) 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, 27841776 + 27841777.

It is an arithmetic number, because the mean of its divisors is an integer number (27841777).

Almost surely, 2^55683553 is an apocalyptic number.

It is an amenable number.

55683553 is a deficient number, since it is larger than the sum of its proper divisors (1).

55683553 is an equidigital number, since it uses as much as digits as its factorization.

55683553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270000, while the sum is 40.

The square root of 55683553 is about 7462.1413146630. The cubic root of 55683553 is about 381.8642304164.

The spelling of 55683553 in words is "fifty-five million, six hundred eighty-three thousand, five hundred fifty-three".