1005554956 has 12 divisors (see below), whose sum is σ = 2011109968. Its totient is φ = 430952112.

The previous prime is 1005554941. The next prime is 1005554969. The reversal of 1005554956 is 6594555001.

1005554956 is an admirable number.

It is a super-2 number, since 2×1005554956² = 2022281539072323872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17956311 + ... + 17956366.

Almost surely, 2^1005554956 is an apocalyptic number.

It is an amenable number.

1005554956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1005554956 is a wasteful number, since it uses less digits than its factorization.

1005554956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35912688 (or 35912686 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 1005554956 is about 31710.4865304839. The cubic root of 1005554956 is about 1001.8482339268.

The spelling of 1005554956 in words is "one billion, five million, five hundred fifty-four thousand, nine hundred fifty-six".