325055550 has 48 divisors (see below), whose sum is σ = 841196160. Its totient is φ = 82911840.

The previous prime is 325055543. The next prime is 325055551. The reversal of 325055550 is 55550523.

It is a super-2 number, since 2×325055550² = 211322221171605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43660 + ... + 50559.

It is an arithmetic number, because the mean of its divisors is an integer number (17524920).

Almost surely, 2^325055550 is an apocalyptic number.

325055550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325055550 is an abundant number, since it is smaller than the sum of its proper divisors (516140610).

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

325055550 is a wasteful number, since it uses less digits than its factorization.

325055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94257 (or 94252 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The square root of 325055550 is about 18029.2969912862. The cubic root of 325055550 is about 687.5736031391.

The spelling of 325055550 in words is "three hundred twenty-five million, fifty-five thousand, five hundred fifty".