52777222152 has 32 divisors (see below), whose sum is σ = 132524316000. Its totient is φ = 17514905984.

The previous prime is 52777222129. The next prime is 52777222163. The reversal of 52777222152 is 25122277725.

It is a super-2 number, since 2×52777222152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838277 + ... + 4849172.

It is an arithmetic number, because the mean of its divisors is an integer number (4141384875).

Almost surely, 2^52777222152 is an apocalyptic number.

It is an amenable number.

52777222152 is an abundant number, since it is smaller than the sum of its proper divisors (79747093848).

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

52777222152 is a wasteful number, since it uses less digits than its factorization.

52777222152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687685 (or 9687681 counting only the distinct ones).

The product of its digits is 274400, while the sum is 42.

Adding to 52777222152 its reverse (25122277725), we get a palindrome (77899499877).

The spelling of 52777222152 in words is "fifty-two billion, seven hundred seventy-seven million, two hundred twenty-two thousand, one hundred fifty-two".