1055445500 has 24 divisors (see below), whose sum is σ = 2305094064. Its totient is φ = 422178000.

The previous prime is 1055445491. The next prime is 1055445529. The reversal of 1055445500 is 55445501.

It is a happy number.

It is a super-2 number, since 2×1055445500² = 2227930406940500000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 1054946 + ... + 1055945.

It is an arithmetic number, because the mean of its divisors is an integer number (96045586).

Almost surely, 2^1055445500 is an apocalyptic number.

1055445500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055445500 is an abundant number, since it is smaller than the sum of its proper divisors (1249648564).

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

1055445500 is a wasteful number, since it uses less digits than its factorization.

1055445500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110910 (or 2110898 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1055445500 is about 32487.6207192832. The cubic root of 1055445500 is about 1018.1504030631.

Subtracting from 1055445500 its reverse (55445501), we obtain a palindrome (999999999).

The spelling of 1055445500 in words is "one billion, fifty-five million, four hundred forty-five thousand, five hundred".