1055553445 has 16 divisors (see below), whose sum is σ = 1277668080. Its totient is φ = 837136384.

The previous prime is 1055553437. The next prime is 1055553449. The reversal of 1055553445 is 5443555501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 163814401 + 891739044 = 12799^2 + 29862^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055553445 - 2³ = 1055553437 is a prime.

It is a super-2 number, since 2×1055553445² = 2228386150502736050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055553449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334917 + ... + 338053.

It is an arithmetic number, because the mean of its divisors is an integer number (79854255).

Almost surely, 2^1055553445 is an apocalyptic number.

It is an amenable number.

1055553445 is a deficient number, since it is larger than the sum of its proper divisors (222114635).

1055553445 is a wasteful number, since it uses less digits than its factorization.

1055553445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 150000, while the sum is 37.

The square root of 1055553445 is about 32489.2820019156. The cubic root of 1055553445 is about 1018.1851121026.

It can be divided in two parts, 10555 and 53445, that added together give a cube (64000 = 40³).

The spelling of 1055553445 in words is "one billion, fifty-five million, five hundred fifty-three thousand, four hundred forty-five".