1550100550 has 48 divisors (see below), whose sum is σ = 2965881600. Its totient is φ = 602411040.

The previous prime is 1550100527. The next prime is 1550100553. The reversal of 1550100550 is 550010551.

It is a super-2 number, since 2×1550100550² = 4805623430220605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550100553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426039 + ... + 429661.

It is an arithmetic number, because the mean of its divisors is an integer number (61789200).

Almost surely, 2^1550100550 is an apocalyptic number.

1550100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550100550 is a deficient number, since it is larger than the sum of its proper divisors (1415781050).

1550100550 is a wasteful number, since it uses less digits than its factorization.

1550100550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 1550100550 is about 39371.3163356269. The cubic root of 1550100550 is about 1157.3195516605.

The spelling of 1550100550 in words is "one billion, five hundred fifty million, one hundred thousand, five hundred fifty".