3551590055820 has 24 divisors (see below), whose sum is σ = 9944452156464. Its totient is φ = 947090681536.

The previous prime is 3551590055813. The next prime is 3551590055821. The reversal of 3551590055820 is 285500951553.

It is a super-2 number, since 2×3551590055820² (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 3551590055820.

It is not an unprimeable number, because it can be changed into a prime (3551590055821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29596583739 + ... + 29596583858.

It is an arithmetic number, because the mean of its divisors is an integer number (414352173186).

Almost surely, 2^{3551590055820} is an apocalyptic number.

3551590055820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3551590055820 is an abundant number, since it is smaller than the sum of its proper divisors (6392862100644).

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

3551590055820 is a wasteful number, since it uses less digits than its factorization.

3551590055820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59193167609 (or 59193167607 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 48.

The spelling of 3551590055820 in words is "three trillion, five hundred fifty-one billion, five hundred ninety million, fifty-five thousand, eight hundred twenty".