1553412144550 has 96 divisors (see below), whose sum is σ = 3323860187904. Its totient is φ = 529101936000.

The previous prime is 1553412144517. The next prime is 1553412144569. The reversal of 1553412144550 is 554412143551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32761860 + ... + 32809240.

It is an arithmetic number, because the mean of its divisors is an integer number (34623543624).

Almost surely, 2^{1553412144550} is an apocalyptic number.

1553412144550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553412144550 is an abundant number, since it is smaller than the sum of its proper divisors (1770448043354).

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

1553412144550 is a wasteful number, since it uses less digits than its factorization.

1553412144550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48014 (or 48009 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Subtracting from 1553412144550 its reverse (554412143551), we obtain a palindrome (999000000999).

The spelling of 1553412144550 in words is "one trillion, five hundred fifty-three billion, four hundred twelve million, one hundred forty-four thousand, five hundred fifty".