325825775550 has 72 divisors (see below), whose sum is σ = 954965742120. Its totient is φ = 78988065600.

The previous prime is 325825775549. The next prime is 325825775557. The reversal of 325825775550 is 55577528523.

325825775550 is a `hidden beast` number, since 3 + 2 + 5 + 82 + 5 + 7 + 7 + 5 + 550 = 666.

It is a super-3 number, since 3×325825775550³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325825775557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32906745 + ... + 32916644.

It is an arithmetic number, because the mean of its divisors is an integer number (13263413085).

Almost surely, 2^325825775550 is an apocalyptic number.

325825775550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325825775550 is an abundant number, since it is smaller than the sum of its proper divisors (629139966570).

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

325825775550 is a wasteful number, since it uses less digits than its factorization.

325825775550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65823418 (or 65823410 counting only the distinct ones).

The product of its (nonzero) digits is 14700000, while the sum is 54.

The spelling of 325825775550 in words is "three hundred twenty-five billion, eight hundred twenty-five million, seven hundred seventy-five thousand, five hundred fifty".