5185455630 has 32 divisors (see below), whose sum is σ = 12447540000. Its totient is φ = 1382516352.

The previous prime is 5185455601. The next prime is 5185455637. The reversal of 5185455630 is 365545815.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185455637) 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, 172996 + ... + 200744.

It is an arithmetic number, because the mean of its divisors is an integer number (388985625).

Almost surely, 2^5185455630 is an apocalyptic number.

5185455630 is an abundant number, since it is smaller than the sum of its proper divisors (7262084370).

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

5185455630 is a wasteful number, since it uses less digits than its factorization.

5185455630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33988.

The product of its (nonzero) digits is 360000, while the sum is 42.

The square root of 5185455630 is about 72010.1078321648. The cubic root of 5185455630 is about 1730.8614585414.

The spelling of 5185455630 in words is "five billion, one hundred eighty-five million, four hundred fifty-five thousand, six hundred thirty".