1055435977 has 2 divisors, whose sum is σ = 1055435978. Its totient is φ = 1055435976.

The previous prime is 1055435957. The next prime is 1055436037. The reversal of 1055435977 is 7795345501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1034008336 + 21427641 = 32156^2 + 4629^2 .

It is an emirp because it is prime and its reverse (7795345501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055435977 - 2²³ = 1047047369 is a prime.

It is a super-2 number, since 2×1055435977² = 2227890203091889058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055435917) by changing a digit.

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 as a sum of consecutive naturals, namely, 527717988 + 527717989.

It is an arithmetic number, because the mean of its divisors is an integer number (527717989).

Almost surely, 2^1055435977 is an apocalyptic number.

It is an amenable number.

1055435977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055435977 is an equidigital number, since it uses as much as digits as its factorization.

1055435977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 46.

The square root of 1055435977 is about 32487.4741554341. The cubic root of 1055435977 is about 1018.1473408884.

The spelling of 1055435977 in words is "one billion, fifty-five million, four hundred thirty-five thousand, nine hundred seventy-seven".