53540350203 has 4 divisors (see below), whose sum is σ = 71387133608. Its totient is φ = 35693566800.

The previous prime is 53540350163. The next prime is 53540350229. The reversal of 53540350203 is 30205304535.

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

It is not a de Polignac number, because 53540350203 - 2³³ = 44950415611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53540330203) 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, 8923391698 + ... + 8923391703.

It is an arithmetic number, because the mean of its divisors is an integer number (17846783402).

Almost surely, 2^53540350203 is an apocalyptic number.

53540350203 is a deficient number, since it is larger than the sum of its proper divisors (17846783405).

53540350203 is a wasteful number, since it uses less digits than its factorization.

53540350203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846783404.

The product of its (nonzero) digits is 27000, while the sum is 30.

Adding to 53540350203 its reverse (30205304535), we get a palindrome (83745654738).

The spelling of 53540350203 in words is "fifty-three billion, five hundred forty million, three hundred fifty thousand, two hundred three".