53208803 has 4 divisors (see below), whose sum is σ = 54925248. Its totient is φ = 51492360.

The previous prime is 53208781. The next prime is 53208817. The reversal of 53208803 is 30880235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53208803 - 2²⁴ = 36431587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53208833) 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, 858176 + ... + 858237.

It is an arithmetic number, because the mean of its divisors is an integer number (13731312).

Almost surely, 2^53208803 is an apocalyptic number.

53208803 is a deficient number, since it is larger than the sum of its proper divisors (1716445).

53208803 is a wasteful number, since it uses less digits than its factorization.

53208803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716444.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 53208803 is about 7294.4364415628. The cubic root of 53208803 is about 376.1212144084.

The spelling of 53208803 in words is "fifty-three million, two hundred eight thousand, eight hundred three".