1054555444 has 6 divisors (see below), whose sum is σ = 1845472034. Its totient is φ = 527277720.

The previous prime is 1054555429. The next prime is 1054555457. The reversal of 1054555444 is 4445554501.

It can be written as a sum of positive squares in only one way, i.e., 891022500 + 163532944 = 29850^2 + 12788^2 .

It is a super-2 number, since 2×1054555444² = 2224174368940074272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131819427 + ... + 131819434.

Almost surely, 2^1054555444 is an apocalyptic number.

It is an amenable number.

1054555444 is a deficient number, since it is larger than the sum of its proper divisors (790916590).

1054555444 is a wasteful number, since it uses less digits than its factorization.

1054555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263638865 (or 263638863 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 37.

The square root of 1054555444 is about 32473.9194431470. The cubic root of 1054555444 is about 1017.8641208786.

The spelling of 1054555444 in words is "one billion, fifty-four million, five hundred fifty-five thousand, four hundred forty-four".