53052450310021 has 8 divisors (see below), whose sum is σ = 53567672023424. Its totient is φ = 52537231469520.

The previous prime is 53052450309997. The next prime is 53052450310063. The reversal of 53052450310021 is 12001305425035.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53052450310021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53052450310081) 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, 70871431 + ... + 71616091.

It is an arithmetic number, because the mean of its divisors is an integer number (6695959002928).

Almost surely, 2^{53052450310021} is an apocalyptic number.

It is an amenable number.

53052450310021 is a deficient number, since it is larger than the sum of its proper divisors (515221713403).

53052450310021 is a wasteful number, since it uses less digits than its factorization.

53052450310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436451.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 53052450310021 its reverse (12001305425035), we get a palindrome (65053755735056).

The spelling of 53052450310021 in words is "fifty-three trillion, fifty-two billion, four hundred fifty million, three hundred ten thousand, twenty-one".