53811803 has 8 divisors (see below), whose sum is σ = 55747440. Its totient is φ = 51905920.

The previous prime is 53811773. The next prime is 53811809. The reversal of 53811803 is 30811835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53811803 - 2⁸ = 53811547 is a prime.

It is a super-2 number, since 2×53811803² = 5791420284221618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53811809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (6968430).

Almost surely, 2^53811803 is an apocalyptic number.

53811803 is a deficient number, since it is larger than the sum of its proper divisors (1935637).

53811803 is a wasteful number, since it uses less digits than its factorization.

53811803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 53811803 is about 7335.6528680139. The cubic root of 53811803 is about 377.5367050549.

The spelling of 53811803 in words is "fifty-three million, eight hundred eleven thousand, eight hundred three".