1055550105 has 12 divisors (see below), whose sum is σ = 1829620260. Its totient is φ = 562960032.

The previous prime is 1055550103. The next prime is 1055550107. The reversal of 1055550105 is 5010555501.

1055550105 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 550 + 105 = 666.

It is an interprime number because it is at equal distance from previous prime (1055550103) and next prime (1055550107).

It can be written as a sum of positive squares in 2 ways, for example, as 248251536 + 807298569 = 15756^2 + 28413^2 .

It is not a de Polignac number, because 1055550105 - 2¹ = 1055550103 is a prime.

It is a super-2 number, since 2×1055550105² = 2228372048331022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055550103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11728290 + ... + 11728379.

It is an arithmetic number, because the mean of its divisors is an integer number (152468355).

Almost surely, 2^1055550105 is an apocalyptic number.

1055550105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055550105 is a deficient number, since it is larger than the sum of its proper divisors (774070155).

1055550105 is a wasteful number, since it uses less digits than its factorization.

1055550105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456680 (or 23456677 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 1055550105 is about 32489.2306003082. The cubic root of 1055550105 is about 1018.1840381820.

The spelling of 1055550105 in words is "one billion, fifty-five million, five hundred fifty thousand, one hundred five".