53772765 has 8 divisors (see below), whose sum is σ = 86036448. Its totient is φ = 28678800.

The previous prime is 53772727. The next prime is 53772767. The reversal of 53772765 is 56727735.

53772765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53772765 - 2⁶ = 53772701 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772767) 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 7 ways as a sum of consecutive naturals, for example, 1792411 + ... + 1792440.

It is an arithmetic number, because the mean of its divisors is an integer number (10754556).

Almost surely, 2^53772765 is an apocalyptic number.

It is an amenable number.

53772765 is a deficient number, since it is larger than the sum of its proper divisors (32263683).

53772765 is a wasteful number, since it uses less digits than its factorization.

53772765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584859.

The product of its digits is 308700, while the sum is 42.

The square root of 53772765 is about 7332.9915450654. The cubic root of 53772765 is about 377.4453877695.

The spelling of 53772765 in words is "fifty-three million, seven hundred seventy-two thousand, seven hundred sixty-five".