53035231340021 has 8 divisors (see below), whose sum is σ = 60863193762624. Its totient is φ = 45270144118080.

The previous prime is 53035231339897. The next prime is 53035231340051. The reversal of 53035231340021 is 12004313253035.

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

It is not a de Polignac number, because 53035231340021 - 2¹⁴ = 53035231323637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53035231340021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53035231340051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15718798355 + ... + 15718801728.

It is an arithmetic number, because the mean of its divisors is an integer number (7607899220328).

Almost surely, 2^{53035231340021} is an apocalyptic number.

It is an amenable number.

53035231340021 is a deficient number, since it is larger than the sum of its proper divisors (7827962422603).

53035231340021 is a wasteful number, since it uses less digits than its factorization.

53035231340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31437600331.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 53035231340021 its reverse (12004313253035), we get a palindrome (65039544593056).

The spelling of 53035231340021 in words is "fifty-three trillion, thirty-five billion, two hundred thirty-one million, three hundred forty thousand, twenty-one".