53866755 has 32 divisors (see below), whose sum is σ = 96145920. Its totient is φ = 28614240.

The previous prime is 53866739. The next prime is 53866763. The reversal of 53866755 is 55766835.

53866755 is a `hidden beast` number, since 538 + 6 + 67 + 55 = 666.

53866755 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 53866755 - 2⁴ = 53866739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53866755.

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 31 ways as a sum of consecutive naturals, for example, 41344 + ... + 42626.

It is an arithmetic number, because the mean of its divisors is an integer number (3004560).

Almost surely, 2^53866755 is an apocalyptic number.

53866755 is a deficient number, since it is larger than the sum of its proper divisors (42279165).

53866755 is a wasteful number, since it uses less digits than its factorization.

53866755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1602 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 53866755 is about 7339.3974548324. The cubic root of 53866755 is about 377.6651733950.

The spelling of 53866755 in words is "fifty-three million, eight hundred sixty-six thousand, seven hundred fifty-five".