52652579850 has 240 divisors, whose sum is σ = 158051805912. Its totient is φ = 12919357440.

The previous prime is 52652579839. The next prime is 52652579893. The reversal of 52652579850 is 5897525625.

It is a happy number.

52652579850 is a `hidden beast` number, since 5 + 2 + 65 + 2 + 579 + 8 + 5 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 110313009 + 52542266841 = 10503^2 + 229221^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 18584034 + ... + 18586866.

Almost surely, 2^52652579850 is an apocalyptic number.

52652579850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 52652579850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79025902956).

52652579850 is an abundant number, since it is smaller than the sum of its proper divisors (105399226062).

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

52652579850 is a wasteful number, since it uses less digits than its factorization.

52652579850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 54.

The spelling of 52652579850 in words is "fifty-two billion, six hundred fifty-two million, five hundred seventy-nine thousand, eight hundred fifty".