53330444321 has 32 divisors (see below), whose sum is σ = 66743018496. Its totient is φ = 41398344000.

The previous prime is 53330444281. The next prime is 53330444369. The reversal of 53330444321 is 12344403335.

It is a cyclic number.

It is not a de Polignac number, because 53330444321 - 2⁶ = 53330444257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53330444021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41566346 + ... + 41567628.

It is an arithmetic number, because the mean of its divisors is an integer number (2085719328).

Almost surely, 2^53330444321 is an apocalyptic number.

It is an amenable number.

53330444321 is a deficient number, since it is larger than the sum of its proper divisors (13412574175).

53330444321 is a wasteful number, since it uses less digits than its factorization.

53330444321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 53330444321 its reverse (12344403335), we get a palindrome (65674847656).

The spelling of 53330444321 in words is "fifty-three billion, three hundred thirty million, four hundred forty-four thousand, three hundred twenty-one".