4405511553550 has 12 divisors (see below), whose sum is σ = 8194251489696. Its totient is φ = 1762204621400.

The previous prime is 4405511553539. The next prime is 4405511553557. The reversal of 4405511553550 is 553551155044.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4405511553497 and 4405511553506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405511553557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44055115486 + ... + 44055115585.

It is an arithmetic number, because the mean of its divisors is an integer number (682854290808).

Almost surely, 2^{4405511553550} is an apocalyptic number.

4405511553550 is a deficient number, since it is larger than the sum of its proper divisors (3788739936146).

4405511553550 is a wasteful number, since it uses less digits than its factorization.

4405511553550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88110231083 (or 88110231078 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 4405511553550 in words is "four trillion, four hundred five billion, five hundred eleven million, five hundred fifty-three thousand, five hundred fifty".