185000052 has 48 divisors (see below), whose sum is σ = 459006912. Its totient is φ = 57792000.

The previous prime is 185000041. The next prime is 185000059. The reversal of 185000052 is 250000581.

It is a junction number, because it is equal to n+sod(n) for n = 184999992 and 185000028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185000059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49398 + ... + 53010.

It is an arithmetic number, because the mean of its divisors is an integer number (9562644).

Almost surely, 2^185000052 is an apocalyptic number.

185000052 is a gapful number since it is divisible by the number (12) 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 185000052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229503456).

185000052 is an abundant number, since it is smaller than the sum of its proper divisors (274006860).

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

185000052 is a wasteful number, since it uses less digits than its factorization.

185000052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 185000052 is about 13601.4724202933. The cubic root of 185000052 is about 569.8019749173.

The spelling of 185000052 in words is "one hundred eighty-five million, fifty-two", and thus it is an aban number.