3385421255550 has 96 divisors (see below), whose sum is σ = 8428566251520. Its totient is φ = 899264620800.

The previous prime is 3385421255543. The next prime is 3385421255599. The reversal of 3385421255550 is 555521245833.

It is a super-2 number, since 2×3385421255550² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3385421255550.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69038941 + ... + 69087959.

It is an arithmetic number, because the mean of its divisors is an integer number (87797565120).

Almost surely, 2^{3385421255550} is an apocalyptic number.

3385421255550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3385421255550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4214283125760).

3385421255550 is an abundant number, since it is smaller than the sum of its proper divisors (5043144995970).

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

3385421255550 is a wasteful number, since it uses less digits than its factorization.

3385421255550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50818 (or 50813 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 3385421255550 in words is "three trillion, three hundred eighty-five billion, four hundred twenty-one million, two hundred fifty-five thousand, five hundred fifty".