53506803 has 32 divisors (see below), whose sum is σ = 87657984. Its totient is φ = 28334592.

The previous prime is 53506777. The next prime is 53506823. The reversal of 53506803 is 30860535.

It is not a de Polignac number, because 53506803 - 2⁵ = 53506771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53506823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22801 + ... + 25037.

It is an arithmetic number, because the mean of its divisors is an integer number (2739312).

Almost surely, 2^53506803 is an apocalyptic number.

53506803 is a deficient number, since it is larger than the sum of its proper divisors (34151181).

53506803 is a wasteful number, since it uses less digits than its factorization.

53506803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 53506803 is about 7314.8344478874. The cubic root of 53506803 is about 376.8220729065.

The spelling of 53506803 in words is "fifty-three million, five hundred six thousand, eight hundred three".