53955603 has 24 divisors (see below), whose sum is σ = 88871328. Its totient is φ = 31249152.

The previous prime is 53955589. The next prime is 53955607. The reversal of 53955603 is 30655935.

53955603 is a `hidden beast` number, since 5 + 3 + 95 + 560 + 3 = 666.

53955603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53955603 - 2²⁰ = 52907027 is a prime.

It is a super-2 number, since 2×53955603² = 5822414190187218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53955607) 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 in 23 ways as a sum of consecutive naturals, for example, 11575 + ... + 15552.

It is an arithmetic number, because the mean of its divisors is an integer number (3702972).

Almost surely, 2^53955603 is an apocalyptic number.

53955603 is a deficient number, since it is larger than the sum of its proper divisors (34915725).

53955603 is a wasteful number, since it uses less digits than its factorization.

53955603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27163 (or 27160 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

The square root of 53955603 is about 7345.4477739618. The cubic root of 53955603 is about 377.8727000580.

The spelling of 53955603 in words is "fifty-three million, nine hundred fifty-five thousand, six hundred three".