52556921970 has 32 divisors (see below), whose sum is σ = 144156129408. Its totient is φ = 12013010688.

The previous prime is 52556921917. The next prime is 52556921971. The reversal of 52556921970 is 7912965525.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52556921971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125135319 + ... + 125135738.

It is an arithmetic number, because the mean of its divisors is an integer number (4504879044).

Almost surely, 2^52556921970 is an apocalyptic number.

52556921970 is an abundant number, since it is smaller than the sum of its proper divisors (91599207438).

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

52556921970 is a wasteful number, since it uses less digits than its factorization.

52556921970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250271074.

The product of its (nonzero) digits is 1701000, while the sum is 51.

The spelling of 52556921970 in words is "fifty-two billion, five hundred fifty-six million, nine hundred twenty-one thousand, nine hundred seventy".