52166770752 has 28 divisors (see below), whose sum is σ = 138024581456. Its totient is φ = 17388923520.

The previous prime is 52166770697. The next prime is 52166770763. The reversal of 52166770752 is 25707766125.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135850774 + ... + 135851157.

Almost surely, 2^52166770752 is an apocalyptic number.

It is an amenable number.

52166770752 is an abundant number, since it is smaller than the sum of its proper divisors (85857810704).

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

52166770752 is a wasteful number, since it uses less digits than its factorization.

52166770752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271701946 (or 271701936 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 52166770752 in words is "fifty-two billion, one hundred sixty-six million, seven hundred seventy thousand, seven hundred fifty-two".