1001010550 has 24 divisors (see below), whose sum is σ = 1864016856. Its totient is φ = 399944640.

The previous prime is 1001010539. The next prime is 1001010557. The reversal of 1001010550 is 550101001.

It is a super-2 number, since 2×1001010550² = 2004044242422605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001010550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001010557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34314 + ... + 56386.

It is an arithmetic number, because the mean of its divisors is an integer number (77667369).

Almost surely, 2^1001010550 is an apocalyptic number.

1001010550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001010550 is a deficient number, since it is larger than the sum of its proper divisors (863006306).

1001010550 is a wasteful number, since it uses less digits than its factorization.

1001010550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22992 (or 22987 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1001010550 is about 31638.7507654775. The cubic root of 1001010550 is about 1000.3367365957.

Adding to 1001010550 its reverse (550101001), we get a palindrome (1551111551).

The spelling of 1001010550 in words is "one billion, one million, ten thousand, five hundred fifty".