1005055000550 has 24 divisors (see below), whose sum is σ = 1929705604032. Its totient is φ = 389053548000.

The previous prime is 1005055000549. The next prime is 1005055000567. The reversal of 1005055000550 is 550005505001.

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, 324209741 + ... + 324212840.

It is an arithmetic number, because the mean of its divisors is an integer number (80404400168).

Almost surely, 2^{1005055000550} is an apocalyptic number.

1005055000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005055000550 is a deficient number, since it is larger than the sum of its proper divisors (924650603482).

1005055000550 is a wasteful number, since it uses less digits than its factorization.

1005055000550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648422624 (or 648422619 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 1005055000550 in words is "one trillion, five billion, fifty-five million, five hundred fifty", and thus it is an aban number.