185500053 has 24 divisors (see below), whose sum is σ = 274849848. Its totient is φ = 120511872.

The previous prime is 185500043. The next prime is 185500057. The reversal of 185500053 is 350005581.

It can be written as a sum of positive squares in 4 ways, for example, as 28323684 + 157176369 = 5322^2 + 12537^2 .

It is not a de Polignac number, because 185500053 - 2¹² = 185495957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185500057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73651 + ... + 76127.

It is an arithmetic number, because the mean of its divisors is an integer number (11452077).

Almost surely, 2^185500053 is an apocalyptic number.

It is an amenable number.

185500053 is a deficient number, since it is larger than the sum of its proper divisors (89349795).

185500053 is a wasteful number, since it uses less digits than its factorization.

185500053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2690 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 185500053 is about 13619.8404175673. The cubic root of 185500053 is about 570.3148491398.

The spelling of 185500053 in words is "one hundred eighty-five million, five hundred thousand, fifty-three".