52152661770 has 64 divisors (see below), whose sum is σ = 136844332416. Its totient is φ = 12615367680.

The previous prime is 52152661753. The next prime is 52152661777. The reversal of 52152661770 is 7716625125.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52152661777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22099 + ... + 323718.

It is an arithmetic number, because the mean of its divisors is an integer number (2138192694).

Almost surely, 2^52152661770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52152661770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68422166208).

52152661770 is an abundant number, since it is smaller than the sum of its proper divisors (84691670646).

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

52152661770 is a wasteful number, since it uses less digits than its factorization.

52152661770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346295.

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

The spelling of 52152661770 in words is "fifty-two billion, one hundred fifty-two million, six hundred sixty-one thousand, seven hundred seventy".