1055560000 has 140 divisors (see below), whose sum is σ = 2856585600. Its totient is φ = 383680000.

The previous prime is 1055559983. The next prime is 1055560021. The reversal of 1055560000 is 655501.

It is a super-2 number, since 2×1055560000² = 2228413827200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 438801 + ... + 441199.

Almost surely, 2^1055560000 is an apocalyptic number.

1055560000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1055560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428292800).

1055560000 is an abundant number, since it is smaller than the sum of its proper divisors (1801025600).

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

1055560000 is an equidigital number, since it uses as much as digits as its factorization.

1055560000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 1055560000 is about 32489.3828811814. The cubic root of 1055560000 is about 1018.1872197456.

The spelling of 1055560000 in words is "one billion, fifty-five million, five hundred sixty thousand".