1055408657 has 2 divisors, whose sum is σ = 1055408658. Its totient is φ = 1055408656.

The previous prime is 1055408633. The next prime is 1055408677. The reversal of 1055408657 is 7568045501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1039159696 + 16248961 = 32236^2 + 4031^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055408657 - 2⁸ = 1055408401 is a prime.

It is a super-2 number, since 2×1055408657² = 2227774866541087298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055408617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527704328 + 527704329.

It is an arithmetic number, because the mean of its divisors is an integer number (527704329).

Almost surely, 2^1055408657 is an apocalyptic number.

It is an amenable number.

1055408657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055408657 is an equidigital number, since it uses as much as digits as its factorization.

1055408657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 1055408657 is about 32487.0536829673. The cubic root of 1055408657 is about 1018.1385558852.

The spelling of 1055408657 in words is "one billion, fifty-five million, four hundred eight thousand, six hundred fifty-seven".