52251237620 has 96 divisors (see below), whose sum is σ = 117659824128. Its totient is φ = 19445069952.

The previous prime is 52251237581. The next prime is 52251237653. The reversal of 52251237620 is 2673215225.

52251237620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3516647 + ... + 3531473.

It is an arithmetic number, because the mean of its divisors is an integer number (1225623168).

Almost surely, 2^52251237620 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 52251237620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58829912064).

52251237620 is an abundant number, since it is smaller than the sum of its proper divisors (65408586508).

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

52251237620 is a wasteful number, since it uses less digits than its factorization.

52251237620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15069 (or 15067 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 52251237620 in words is "fifty-two billion, two hundred fifty-one million, two hundred thirty-seven thousand, six hundred twenty".