52053423421 has 8 divisors (see below), whose sum is σ = 53736377600. Its totient is φ = 50370707520.

The previous prime is 52053423403. The next prime is 52053423431. The reversal of 52053423421 is 12432435025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52053423421 - 2⁹ = 52053422909 is a prime.

It is a super-2 number, since 2×52053423421² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52053423431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455125 + ... + 557893.

It is an arithmetic number, because the mean of its divisors is an integer number (6717047200).

Almost surely, 2^52053423421 is an apocalyptic number.

It is an amenable number.

52053423421 is a deficient number, since it is larger than the sum of its proper divisors (1682954179).

52053423421 is a wasteful number, since it uses less digits than its factorization.

52053423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119139.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 52053423421 its reverse (12432435025), we get a palindrome (64485858446).

The spelling of 52053423421 in words is "fifty-two billion, fifty-three million, four hundred twenty-three thousand, four hundred twenty-one".