53872765 has 16 divisors (see below), whose sum is σ = 66705408. Its totient is φ = 41743296.

The previous prime is 53872747. The next prime is 53872769. The reversal of 53872765 is 56727835.

53872765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53872765 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53872769) 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 15 ways as a sum of consecutive naturals, for example, 26319 + ... + 28291.

It is an arithmetic number, because the mean of its divisors is an integer number (4169088).

Almost surely, 2^53872765 is an apocalyptic number.

It is an amenable number.

53872765 is a deficient number, since it is larger than the sum of its proper divisors (12832643).

53872765 is a wasteful number, since it uses less digits than its factorization.

53872765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its digits is 352800, while the sum is 43.

The square root of 53872765 is about 7339.8068775684. The cubic root of 53872765 is about 377.6792184417.

The spelling of 53872765 in words is "fifty-three million, eight hundred seventy-two thousand, seven hundred sixty-five".