52649751000 has 512 divisors, whose sum is σ = 206715525120. Its totient is φ = 10838016000.

The previous prime is 52649750957. The next prime is 52649751023. The reversal of 52649751000 is 15794625.

It is a self number, because there is not a number n which added to its sum of digits gives 52649751000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26101992 + ... + 26104008.

It is an arithmetic number, because the mean of its divisors is an integer number (403741260).

Almost surely, 2^52649751000 is an apocalyptic number.

52649751000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52649751000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103357762560).

52649751000 is an abundant number, since it is smaller than the sum of its proper divisors (154065774120).

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

52649751000 is a wasteful number, since it uses less digits than its factorization.

52649751000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 52649751000 in words is "fifty-two billion, six hundred forty-nine million, seven hundred fifty-one thousand".