1057555705 has 8 divisors (see below), whose sum is σ = 1284357312. Its totient is φ = 835850928.

The previous prime is 1057555687. The next prime is 1057555711. The reversal of 1057555705 is 5075557501.

1057555705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057555705 is a prime.

It is a super-2 number, since 2×1057555705² = 2236848138356094050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273749 + ... + 1274578.

It is an arithmetic number, because the mean of its divisors is an integer number (160544664).

Almost surely, 2^1057555705 is an apocalyptic number.

It is an amenable number.

1057555705 is a deficient number, since it is larger than the sum of its proper divisors (226801607).

1057555705 is an equidigital number, since it uses as much as digits as its factorization.

1057555705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548415.

The product of its (nonzero) digits is 153125, while the sum is 40.

The square root of 1057555705 is about 32520.0815650884. The cubic root of 1057555705 is about 1018.8284976963.

The spelling of 1057555705 in words is "one billion, fifty-seven million, five hundred fifty-five thousand, seven hundred five".