1055055650 has 24 divisors (see below), whose sum is σ = 2140804944. Its totient is φ = 383656400.

The previous prime is 1055055647. The next prime is 1055055679. The reversal of 1055055650 is 565505501.

It is a super-2 number, since 2×1055055650² = 2226284849193845000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958592 + ... + 959691.

It is an arithmetic number, because the mean of its divisors is an integer number (89200206).

Almost surely, 2^1055055650 is an apocalyptic number.

1055055650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055055650 is an abundant number, since it is smaller than the sum of its proper divisors (1085749294).

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

1055055650 is a wasteful number, since it uses less digits than its factorization.

1055055650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918306 (or 1918301 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 1055055650 is about 32481.6201874229. The cubic root of 1055055650 is about 1018.0250295232.

The spelling of 1055055650 in words is "one billion, fifty-five million, fifty-five thousand, six hundred fifty".