53189500321 has 4 divisors (see below), whose sum is σ = 53238433792. Its totient is φ = 53140566852.

The previous prime is 53189500253. The next prime is 53189500369. The reversal of 53189500321 is 12300598135.

It is a happy number.

53189500321 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 a cyclic number.

It is not a de Polignac number, because 53189500321 - 2¹³ = 53189492129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53189500921) 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, 24465105 + ... + 24467278.

It is an arithmetic number, because the mean of its divisors is an integer number (13309608448).

Almost surely, 2^53189500321 is an apocalyptic number.

It is an amenable number.

53189500321 is a deficient number, since it is larger than the sum of its proper divisors (48933471).

53189500321 is a wasteful number, since it uses less digits than its factorization.

53189500321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48933470.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 53189500321 in words is "fifty-three billion, one hundred eighty-nine million, five hundred thousand, three hundred twenty-one".