1056005055 has 24 divisors (see below), whose sum is σ = 2091896352. Its totient is φ = 482745024.

The previous prime is 1056005039. The next prime is 1056005057. The reversal of 1056005055 is 5505006501.

1056005055 is a `hidden beast` number, since 1 + 0 + 5 + 600 + 5 + 0 + 55 = 666.

It is not a de Polignac number, because 1056005055 - 2⁴ = 1056005039 is a prime.

It is a super-2 number, since 2×1056005055² = 2230293352371106050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056005057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675884 + ... + 1676513.

It is an arithmetic number, because the mean of its divisors is an integer number (87162348).

Almost surely, 2^1056005055 is an apocalyptic number.

1056005055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1056005055 is a deficient number, since it is larger than the sum of its proper divisors (1035891297).

1056005055 is a wasteful number, since it uses less digits than its factorization.

1056005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352415 (or 3352412 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1056005055 is about 32496.2313968866. The cubic root of 1056005055 is about 1018.3302988193.

The spelling of 1056005055 in words is "one billion, fifty-six million, five thousand, fifty-five".