1055540312 has 8 divisors (see below), whose sum is σ = 1979138100. Its totient is φ = 527770152.

The previous prime is 1055540303. The next prime is 1055540351. The reversal of 1055540312 is 2130455501.

1055540312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1055540312² = 2228330700514114688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65971262 + ... + 65971277.

Almost surely, 2^1055540312 is an apocalyptic number.

It is an amenable number.

1055540312 is a deficient number, since it is larger than the sum of its proper divisors (923597788).

1055540312 is a wasteful number, since it uses less digits than its factorization.

1055540312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131942545 (or 131942541 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1055540312 is about 32489.0798884795. The cubic root of 1055540312 is about 1018.1808893950.

Adding to 1055540312 its reverse (2130455501), we get a palindrome (3185995813).

The spelling of 1055540312 in words is "one billion, fifty-five million, five hundred forty thousand, three hundred twelve".