1055651617 has 2 divisors, whose sum is σ = 1055651618. Its totient is φ = 1055651616.

The previous prime is 1055651603. The next prime is 1055651651. The reversal of 1055651617 is 7161565501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760877056 + 294774561 = 27584^2 + 17169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055651617 is a prime.

It is a super-2 number, since 2×1055651617² = 2228800672949429378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055651717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527825808 + 527825809.

It is an arithmetic number, because the mean of its divisors is an integer number (527825809).

Almost surely, 2^1055651617 is an apocalyptic number.

It is an amenable number.

1055651617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055651617 is an equidigital number, since it uses as much as digits as its factorization.

1055651617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1055651617 is about 32490.7928035005. The cubic root of 1055651617 is about 1018.2166766405.

The spelling of 1055651617 in words is "one billion, fifty-five million, six hundred fifty-one thousand, six hundred seventeen".