1553050530 has 128 divisors (see below), whose sum is σ = 4225478400. Its totient is φ = 405844992.

The previous prime is 1553050529. The next prime is 1553050559. The reversal of 1553050530 is 350503551.

1553050530 is a `hidden beast` number, since 1 + 55 + 30 + 50 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1553050494 and 1553050503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3325357 + ... + 3325823.

It is an arithmetic number, because the mean of its divisors is an integer number (33011550).

Almost surely, 2^1553050530 is an apocalyptic number.

1553050530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1553050530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112739200).

1553050530 is an abundant number, since it is smaller than the sum of its proper divisors (2672427870).

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

1553050530 is a wasteful number, since it uses less digits than its factorization.

1553050530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 1553050530 is about 39408.7620967723. The cubic root of 1553050530 is about 1158.0532473032.

The spelling of 1553050530 in words is "one billion, five hundred fifty-three million, fifty thousand, five hundred thirty".