53355903 has 4 divisors (see below), whose sum is σ = 71141208. Its totient is φ = 35570600.

The previous prime is 53355901. The next prime is 53355923. The reversal of 53355903 is 30955335.

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 53355903 - 2¹ = 53355901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53355901) 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, 8892648 + ... + 8892653.

It is an arithmetic number, because the mean of its divisors is an integer number (17785302).

Almost surely, 2^53355903 is an apocalyptic number.

53355903 is a deficient number, since it is larger than the sum of its proper divisors (17785305).

53355903 is a wasteful number, since it uses less digits than its factorization.

53355903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17785304.

The product of its (nonzero) digits is 30375, while the sum is 33.

The square root of 53355903 is about 7304.5125094013. The cubic root of 53355903 is about 376.4675012380.

The spelling of 53355903 in words is "fifty-three million, three hundred fifty-five thousand, nine hundred three".