53667761 has 16 divisors (see below), whose sum is σ = 65049600. Its totient is φ = 43251408.

The previous prime is 53667751. The next prime is 53667833. The reversal of 53667761 is 16776635.

It is a cyclic number.

It is not a de Polignac number, because 53667761 - 2⁶ = 53667697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53667721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17036 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (4065600).

Almost surely, 2^53667761 is an apocalyptic number.

It is an amenable number.

53667761 is a deficient number, since it is larger than the sum of its proper divisors (11381839).

53667761 is a wasteful number, since it uses less digits than its factorization.

53667761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068.

The product of its digits is 158760, while the sum is 41.

The square root of 53667761 is about 7325.8283490674. The cubic root of 53667761 is about 377.1995439779.

The spelling of 53667761 in words is "fifty-three million, six hundred sixty-seven thousand, seven hundred sixty-one".