82554161550 has 96 divisors (see below), whose sum is σ = 247745786112. Its totient is φ = 17759546880.

The previous prime is 82554161519. The next prime is 82554161551. The reversal of 82554161550 is 5516145528.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82554161551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2294592 + ... + 2330291.

It is an arithmetic number, because the mean of its divisors is an integer number (2580685272).

Almost surely, 2^82554161550 is an apocalyptic number.

82554161550 is an abundant number, since it is smaller than the sum of its proper divisors (165191624562).

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

82554161550 is a wasteful number, since it uses less digits than its factorization.

82554161550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624922 (or 4624917 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The spelling of 82554161550 in words is "eighty-two billion, five hundred fifty-four million, one hundred sixty-one thousand, five hundred fifty".