52052171622 has 32 divisors (see below), whose sum is σ = 114739196544. Its totient is φ = 15610771200.

The previous prime is 52052171621. The next prime is 52052171627. The reversal of 52052171622 is 22617125025.

52052171622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52052171622² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52052171621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4058904 + ... + 4071707.

It is an arithmetic number, because the mean of its divisors is an integer number (3585599892).

Almost surely, 2^52052171622 is an apocalyptic number.

52052171622 is an abundant number, since it is smaller than the sum of its proper divisors (62687024922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52052171622 is a wasteful number, since it uses less digits than its factorization.

52052171622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8130724.

The product of its (nonzero) digits is 16800, while the sum is 33.

Adding to 52052171622 its reverse (22617125025), we get a palindrome (74669296647).

The spelling of 52052171622 in words is "fifty-two billion, fifty-two million, one hundred seventy-one thousand, six hundred twenty-two".