1047557955 has 16 divisors (see below), whose sum is σ = 1676507040. Its totient is φ = 558559488.

The previous prime is 1047557911. The next prime is 1047557971. The reversal of 1047557955 is 5597557401.

It is a Cunningham number, because it is equal to 32366²-1.

It is not a de Polignac number, because 1047557955 - 2⁶ = 1047557891 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 91701 + ... + 102489.

It is an arithmetic number, because the mean of its divisors is an integer number (104781690).

Almost surely, 2^1047557955 is an apocalyptic number.

1047557955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1047557955 is a deficient number, since it is larger than the sum of its proper divisors (628949085).

1047557955 is a wasteful number, since it uses less digits than its factorization.

1047557955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17270.

The product of its (nonzero) digits is 1102500, while the sum is 48.

The square root of 1047557955 is about 32365.9999845517. Note that the first 4 decimals coincide. The cubic root of 1047557955 is about 1015.6077814580.

The spelling of 1047557955 in words is "one billion, forty-seven million, five hundred fifty-seven thousand, nine hundred fifty-five".