53803911 has 12 divisors (see below), whose sum is σ = 83451192. Its totient is φ = 30745008.

The previous prime is 53803909. The next prime is 53803921. The reversal of 53803911 is 11930835.

It is a happy number.

It is not a de Polignac number, because 53803911 - 2¹ = 53803909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53803901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182860 + ... + 183153.

It is an arithmetic number, because the mean of its divisors is an integer number (6954266).

Almost surely, 2^53803911 is an apocalyptic number.

53803911 is a deficient number, since it is larger than the sum of its proper divisors (29647281).

53803911 is a wasteful number, since it uses less digits than its factorization.

53803911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366030 (or 366023 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 53803911 is about 7335.1149275250. The cubic root of 53803911 is about 377.5182477327.

The spelling of 53803911 in words is "fifty-three million, eight hundred three thousand, nine hundred eleven".