53850221033 has 4 divisors (see below), whose sum is σ = 61543109760. Its totient is φ = 46157332308.

The previous prime is 53850221027. The next prime is 53850221039. The reversal of 53850221033 is 33012205835.

53850221033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (53850221027) and next prime (53850221039).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53850221033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53850221039) 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, 3846444353 + ... + 3846444366.

It is an arithmetic number, because the mean of its divisors is an integer number (15385777440).

Almost surely, 2^53850221033 is an apocalyptic number.

It is an amenable number.

53850221033 is a deficient number, since it is larger than the sum of its proper divisors (7692888727).

53850221033 is an equidigital number, since it uses as much as digits as its factorization.

53850221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692888726.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 53850221033 its reverse (33012205835), we get a palindrome (86862426868).

The spelling of 53850221033 in words is "fifty-three billion, eight hundred fifty million, two hundred twenty-one thousand, thirty-three".