1553030500450 has 48 divisors (see below), whose sum is σ = 3393643167936.
Its totient is φ = 521296948800.
The previous prime is 1553030500447. The next prime is 1553030500471. The reversal of 1553030500450 is 540050303551.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108596382 + ... + 108610681.
It is an arithmetic number, because the mean of its divisors is an integer number (70700899332).
Almost surely, 21553030500450 is an apocalyptic number.
1553030500450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1553030500450 is an abundant number, since it is smaller than the sum of its proper divisors (1840612667486).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1553030500450 is a wasteful number, since it uses less digits than its factorization.
1553030500450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217207099 (or 217207094 counting only the distinct ones).
The product of its (nonzero) digits is 22500, while the sum is 31.
The spelling of 1553030500450 in words is "one trillion, five hundred fifty-three billion, thirty million, five hundred thousand, four hundred fifty".