53766109 has 4 divisors (see below), whose sum is σ = 54268704. Its totient is φ = 53263516.

The previous prime is 53766091. The next prime is 53766113. The reversal of 53766109 is 90166735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53766109 - 2⁷ = 53765981 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53766149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251137 + ... + 251350.

It is an arithmetic number, because the mean of its divisors is an integer number (13567176).

Almost surely, 2^53766109 is an apocalyptic number.

It is an amenable number.

53766109 is a deficient number, since it is larger than the sum of its proper divisors (502595).

53766109 is a wasteful number, since it uses less digits than its factorization.

53766109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502594.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 53766109 is about 7332.5376916863. The cubic root of 53766109 is about 377.4298137135.

The spelling of 53766109 in words is "fifty-three million, seven hundred sixty-six thousand, one hundred nine".