1553320050 has 48 divisors (see below), whose sum is σ = 3854669952. Its totient is φ = 413956800.

The previous prime is 1553320009. The next prime is 1553320063. The reversal of 1553320050 is 500233551.

It is a self number, because there is not a number n which added to its sum of digits gives 1553320050.

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, 398712 + ... + 402588.

It is an arithmetic number, because the mean of its divisors is an integer number (80305624).

Almost surely, 2^1553320050 is an apocalyptic number.

1553320050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553320050 is an abundant number, since it is smaller than the sum of its proper divisors (2301349902).

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

1553320050 is a wasteful number, since it uses less digits than its factorization.

1553320050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563 (or 6558 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 1553320050 is about 39412.1814925284. The cubic root of 1553320050 is about 1158.1202338461.

The spelling of 1553320050 in words is "one billion, five hundred fifty-three million, three hundred twenty thousand, fifty".