1055435620 has 12 divisors (see below), whose sum is σ = 2216414844. Its totient is φ = 422174240.

The previous prime is 1055435611. The next prime is 1055435621. The reversal of 1055435620 is 265345501.

It can be written as a sum of positive squares in 2 ways, for example, as 662444644 + 392990976 = 25738^2 + 19824^2 .

It is a super-2 number, since 2×1055435620² = 2227888695929568800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055435621) 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 3 ways as a sum of consecutive naturals, for example, 26385871 + ... + 26385910.

It is an arithmetic number, because the mean of its divisors is an integer number (184701237).

Almost surely, 2^1055435620 is an apocalyptic number.

1055435620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055435620 is an abundant number, since it is smaller than the sum of its proper divisors (1160979224).

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

1055435620 is a wasteful number, since it uses less digits than its factorization.

1055435620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52771790 (or 52771788 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1055435620 is about 32487.4686610084. The cubic root of 1055435620 is about 1018.1472260927.

The spelling of 1055435620 in words is "one billion, fifty-five million, four hundred thirty-five thousand, six hundred twenty".