52622161505421 has 4 divisors (see below), whose sum is σ = 70162882007232. Its totient is φ = 35081441003612.

The previous prime is 52622161505351. The next prime is 52622161505437. The reversal of 52622161505421 is 12450516122625.

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 52622161505421 - 2²⁷ = 52622027287693 is a prime.

It is a super-2 number, since 2×52622161505421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52622161505471) 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, 8770360250901 + ... + 8770360250906.

It is an arithmetic number, because the mean of its divisors is an integer number (17540720501808).

Almost surely, 2^{52622161505421} is an apocalyptic number.

It is an amenable number.

52622161505421 is a deficient number, since it is larger than the sum of its proper divisors (17540720501811).

52622161505421 is a wasteful number, since it uses less digits than its factorization.

52622161505421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17540720501810.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 52622161505421 in words is "fifty-two trillion, six hundred twenty-two billion, one hundred sixty-one million, five hundred five thousand, four hundred twenty-one".