55963505 has 24 divisors (see below), whose sum is σ = 73539648. Its totient is φ = 40862016.

The previous prime is 55963487. The next prime is 55963513. The reversal of 55963505 is 50536955.

It is a happy number.

It is not a de Polignac number, because 55963505 - 2⁶ = 55963441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86714 + ... + 87356.

It is an arithmetic number, because the mean of its divisors is an integer number (3064152).

Almost surely, 2^55963505 is an apocalyptic number.

It is an amenable number.

55963505 is a deficient number, since it is larger than the sum of its proper divisors (17576143).

55963505 is a wasteful number, since it uses less digits than its factorization.

55963505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 38.

The square root of 55963505 is about 7480.8759513843. The cubic root of 55963505 is about 382.5031084658.

The spelling of 55963505 in words is "fifty-five million, nine hundred sixty-three thousand, five hundred five".