1000555554 has 48 divisors (see below), whose sum is σ = 2107528416. Its totient is φ = 316483200.

The previous prime is 1000555547. The next prime is 1000555559. The reversal of 1000555554 is 4555550001.

It is a super-2 number, since 2×1000555554² = 2002222833280493832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000555559) 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, 335289 + ... + 338259.

It is an arithmetic number, because the mean of its divisors is an integer number (43906842).

Almost surely, 2^1000555554 is an apocalyptic number.

1000555554 is an abundant number, since it is smaller than the sum of its proper divisors (1106972862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000555554 is a wasteful number, since it uses less digits than its factorization.

1000555554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 1000555554 is about 31631.5594620310. The cubic root of 1000555554 is about 1000.1851503839.

The spelling of 1000555554 in words is "one billion, five hundred fifty-five thousand, five hundred fifty-four".