1055550307 has 6 divisors (see below), whose sum is σ = 1227885108. Its totient is φ = 904757364.

The previous prime is 1055550277. The next prime is 1055550311. The reversal of 1055550307 is 7030555501.

It is not a de Polignac number, because 1055550307 - 2²⁷ = 921332579 is a prime.

It is a super-2 number, since 2×1055550307² = 2228372901215588498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055550337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10770873 + ... + 10770970.

It is an arithmetic number, because the mean of its divisors is an integer number (204647518).

Almost surely, 2^1055550307 is an apocalyptic number.

1055550307 is a deficient number, since it is larger than the sum of its proper divisors (172334801).

1055550307 is an equidigital number, since it uses as much as digits as its factorization.

1055550307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541857 (or 21541850 counting only the distinct ones).

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 1055550307 is about 32489.2337090304. The cubic root of 1055550307 is about 1018.1841031317.

The spelling of 1055550307 in words is "one billion, fifty-five million, five hundred fifty thousand, three hundred seven".