1055506650 has 48 divisors (see below), whose sum is σ = 2855629728. Its totient is φ = 255880000.

The previous prime is 1055506619. The next prime is 1055506651. The reversal of 1055506650 is 566055501.

It is a super-2 number, since 2×1055506650² = 2228188576388445000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1055506651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318201 + ... + 321500.

It is an arithmetic number, because the mean of its divisors is an integer number (59492286).

Almost surely, 2^1055506650 is an apocalyptic number.

1055506650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055506650 is an abundant number, since it is smaller than the sum of its proper divisors (1800123078).

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

1055506650 is a wasteful number, since it uses less digits than its factorization.

1055506650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639727 (or 639722 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1055506650 is about 32488.5618333591. The cubic root of 1055506650 is about 1018.1700657536.

It can be divided in two parts, 1055 and 506650, that added together give a palindrome (507705).

The spelling of 1055506650 in words is "one billion, fifty-five million, five hundred six thousand, six hundred fifty".