42553221550 has 48 divisors (see below), whose sum is σ = 90636198912. Its totient is φ = 14560610400.

The previous prime is 42553221547. The next prime is 42553221563. The reversal of 42553221550 is 5512235524.

It is a congruent number.

It is an unprimeable number.

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, 55195 + ... + 296905.

It is an arithmetic number, because the mean of its divisors is an integer number (1888254144).

Almost surely, 2^42553221550 is an apocalyptic number.

42553221550 is an abundant number, since it is smaller than the sum of its proper divisors (48082977362).

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

42553221550 is a wasteful number, since it uses less digits than its factorization.

42553221550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242233 (or 242228 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 42553221550 in words is "forty-two billion, five hundred fifty-three million, two hundred twenty-one thousand, five hundred fifty".