53855221885550 has 24 divisors (see below), whose sum is σ = 100188161545032. Its totient is φ = 21538336316000.

The previous prime is 53855221885529. The next prime is 53855221885573. The reversal of 53855221885550 is 5558812255835.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93521036 + ... + 94095135.

It is an arithmetic number, because the mean of its divisors is an integer number (4174506731043).

Almost surely, 2^{53855221885550} is an apocalyptic number.

53855221885550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53855221885550 is a deficient number, since it is larger than the sum of its proper divisors (46332939659482).

53855221885550 is a wasteful number, since it uses less digits than its factorization.

53855221885550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187621924 (or 187621919 counting only the distinct ones).

The product of its (nonzero) digits is 96000000, while the sum is 62.

The spelling of 53855221885550 in words is "fifty-three trillion, eight hundred fifty-five billion, two hundred twenty-one million, eight hundred eighty-five thousand, five hundred fifty".