53522218550 has 24 divisors (see below), whose sum is σ = 100481722776. Its totient is φ = 21208802240.

The previous prime is 53522218531. The next prime is 53522218567. The reversal of 53522218550 is 5581222535.

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 11 ways as a sum of consecutive naturals, for example, 4996727 + ... + 5007426.

It is an arithmetic number, because the mean of its divisors is an integer number (4186738449).

Almost surely, 2^53522218550 is an apocalyptic number.

53522218550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53522218550 is a deficient number, since it is larger than the sum of its proper divisors (46959504226).

53522218550 is a wasteful number, since it uses less digits than its factorization.

53522218550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004272 (or 10004267 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 53522218550 in words is "fifty-three billion, five hundred twenty-two million, two hundred eighteen thousand, five hundred fifty".