52767121560 has 128 divisors (see below), whose sum is σ = 159238483200. Its totient is φ = 13988134400.

The previous prime is 52767121549. The next prime is 52767121567. The reversal of 52767121560 is 6512176725.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52767121567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27756610 + ... + 27758510.

It is an arithmetic number, because the mean of its divisors is an integer number (1244050650).

Almost surely, 2^52767121560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52767121560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79619241600).

52767121560 is an abundant number, since it is smaller than the sum of its proper divisors (106471361640).

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

52767121560 is a wasteful number, since it uses less digits than its factorization.

52767121560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 52767121560 in words is "fifty-two billion, seven hundred sixty-seven million, one hundred twenty-one thousand, five hundred sixty".