1055216677 has 2 divisors, whose sum is σ = 1055216678. Its totient is φ = 1055216676.

The previous prime is 1055216651. The next prime is 1055216681. The reversal of 1055216677 is 7766125501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044970276 + 10246401 = 32326^2 + 3201^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055216677 - 2¹⁹ = 1054692389 is a prime.

It is a super-2 number, since 2×1055216677² = 2226964470837844658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055216647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527608338 + 527608339.

It is an arithmetic number, because the mean of its divisors is an integer number (527608339).

Almost surely, 2^1055216677 is an apocalyptic number.

It is an amenable number.

1055216677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055216677 is an equidigital number, since it uses as much as digits as its factorization.

1055216677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 1055216677 is about 32484.0988331214. The cubic root of 1055216677 is about 1018.0768186325.

The spelling of 1055216677 in words is "one billion, fifty-five million, two hundred sixteen thousand, six hundred seventy-seven".