1005100550 has 24 divisors (see below), whose sum is σ = 1873748376. Its totient is φ = 401123840.

The previous prime is 1005100519. The next prime is 1005100561. The reversal of 1005100550 is 550015001.

It is a super-2 number, since 2×1005100550² = 2020454231220605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (78072849).

Almost surely, 2^1005100550 is an apocalyptic number.

1005100550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005100550 is a deficient number, since it is larger than the sum of its proper divisors (868647826).

1005100550 is a wasteful number, since it uses less digits than its factorization.

1005100550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45832 (or 45827 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1005100550 is about 31703.3208039789. The cubic root of 1005100550 is about 1001.6973008732.

Adding to 1005100550 its reverse (550015001), we get a palindrome (1555115551).

The spelling of 1005100550 in words is "one billion, five million, one hundred thousand, five hundred fifty".