52648855920 has 240 divisors, whose sum is σ = 181361374272. Its totient is φ = 13682073600.

The previous prime is 52648855907. The next prime is 52648855933. The reversal of 52648855920 is 2955884625.

52648855920 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 88 + 559 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (52648855907) and next prime (52648855933).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5757592 + ... + 5766728.

Almost surely, 2^52648855920 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 52648855920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90680687136).

52648855920 is an abundant number, since it is smaller than the sum of its proper divisors (128712518352).

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

52648855920 is a wasteful number, since it uses less digits than its factorization.

52648855920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 52648855920 in words is "fifty-two billion, six hundred forty-eight million, eight hundred fifty-five thousand, nine hundred twenty".