1550055030 has 16 divisors (see below), whose sum is σ = 3720132144. Its totient is φ = 413348000.

The previous prime is 1550055007. The next prime is 1550055047. The reversal of 1550055030 is 305500551.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25834221 + ... + 25834280.

It is an arithmetic number, because the mean of its divisors is an integer number (232508259).

Almost surely, 2^1550055030 is an apocalyptic number.

1550055030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550055030 is an abundant number, since it is smaller than the sum of its proper divisors (2170077114).

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

1550055030 is a wasteful number, since it uses less digits than its factorization.

1550055030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51668511.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 1550055030 is about 39370.7382455549. The cubic root of 1550055030 is about 1157.3082229972.

Adding to 1550055030 its reverse (305500551), we get a palindrome (1855555581).

The spelling of 1550055030 in words is "one billion, five hundred fifty million, fifty-five thousand, thirty".