1000255554 has 48 divisors (see below), whose sum is σ = 2379712608. Its totient is φ = 313803072.

The previous prime is 1000255523. The next prime is 1000255567. The reversal of 1000255554 is 4555520001.

1000255554 is a `hidden beast` number, since 100 + 0 + 2 + 5 + 5 + 554 = 666.

1000255554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000255554² = 2001022346615693832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52272 + ... + 68795.

It is an arithmetic number, because the mean of its divisors is an integer number (49577346).

Almost surely, 2^1000255554 is an apocalyptic number.

1000255554 is an abundant number, since it is smaller than the sum of its proper divisors (1379457054).

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

1000255554 is a wasteful number, since it uses less digits than its factorization.

1000255554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121101 (or 121089 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 1000255554 is about 31626.8170070907. The cubic root of 1000255554 is about 1000.0851774113.

Adding to 1000255554 its reverse (4555520001), we get a palindrome (5555775555).

It can be divided in two parts, 10002 and 55554, that added together give a palindrome (65556).

The spelling of 1000255554 in words is "one billion, two hundred fifty-five thousand, five hundred fifty-four".