53611772 has 24 divisors (see below), whose sum is σ = 98918400. Its totient is φ = 25386480.

The previous prime is 53611769. The next prime is 53611861. The reversal of 53611772 is 27711635.

53611772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1229 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (4121600).

Almost surely, 2^53611772 is an apocalyptic number.

It is an amenable number.

53611772 is a deficient number, since it is larger than the sum of its proper divisors (45306628).

53611772 is a wasteful number, since it uses less digits than its factorization.

53611772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9281 (or 9279 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 53611772 is about 7322.0060092846. The cubic root of 53611772 is about 377.0683269413.

The spelling of 53611772 in words is "fifty-three million, six hundred eleven thousand, seven hundred seventy-two".