1000050555 has 24 divisors (see below), whose sum is σ = 1861319952. Its totient is φ = 457165632.

The previous prime is 1000050523. The next prime is 1000050559. The reversal of 1000050555 is 5550500001.

It is not a de Polignac number, because 1000050555 - 2⁵ = 1000050523 is a prime.

It is a super-2 number, since 2×1000050555² = 2000202225111616050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1000050559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679572 + ... + 681041.

It is an arithmetic number, because the mean of its divisors is an integer number (77554998).

Almost surely, 2^1000050555 is an apocalyptic number.

1000050555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1000050555 is a deficient number, since it is larger than the sum of its proper divisors (861269397).

1000050555 is a wasteful number, since it uses less digits than its factorization.

1000050555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360635 (or 1360628 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 1000050555 is about 31623.5759363169. The cubic root of 1000050555 is about 1000.0168513827.

Adding to 1000050555 its reverse (5550500001), we get a palindrome (6550550556).

The spelling of 1000050555 in words is "one billion, fifty thousand, five hundred fifty-five".