52951000920 has 128 divisors (see below), whose sum is σ = 168336714240. Its totient is φ = 13278648320.

The previous prime is 52951000909. The next prime is 52951000931. The reversal of 52951000920 is 2900015925.

It is an interprime number because it is at equal distance from previous prime (52951000909) and next prime (52951000931).

It is a congruent number.

It is an unprimeable number.

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, 2607205 + ... + 2627435.

It is an arithmetic number, because the mean of its divisors is an integer number (1315130580).

Almost surely, 2^52951000920 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 52951000920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84168357120).

52951000920 is an abundant number, since it is smaller than the sum of its proper divisors (115385713320).

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

52951000920 is a wasteful number, since it uses less digits than its factorization.

52951000920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21545 (or 21541 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The spelling of 52951000920 in words is "fifty-two billion, nine hundred fifty-one million, nine hundred twenty", and thus it is an aban number.