1055550045 has 16 divisors (see below), whose sum is σ = 1842414912. Its totient is φ = 511781760.

The previous prime is 1055550037. The next prime is 1055550071. The reversal of 1055550045 is 5400555501.

It is not a de Polignac number, because 1055550045 - 2³ = 1055550037 is a prime.

It is a super-2 number, since 2×1055550045² = 2228371794999004050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055549994 and 1055550021.

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 in 15 ways as a sum of consecutive naturals, for example, 3198472 + ... + 3198801.

It is an arithmetic number, because the mean of its divisors is an integer number (115150932).

Almost surely, 2^1055550045 is an apocalyptic number.

1055550045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055550045 is a deficient number, since it is larger than the sum of its proper divisors (786864867).

1055550045 is a wasteful number, since it uses less digits than its factorization.

1055550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397292.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 1055550045 is about 32489.2296769252. The cubic root of 1055550045 is about 1018.1840188899.

The spelling of 1055550045 in words is "one billion, fifty-five million, five hundred fifty thousand, forty-five".