1055455651 has 2 divisors, whose sum is σ = 1055455652. Its totient is φ = 1055455650.

The previous prime is 1055455649. The next prime is 1055455657. The reversal of 1055455651 is 1565545501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055455651 - 2¹ = 1055455649 is a prime.

It is a super-2 number, since 2×1055455651² = 2227973262455667602, which contains 22 as substring.

Together with 1055455649, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1055455651.

It is not a weakly prime, because it can be changed into another prime (1055455657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527727825 + 527727826.

It is an arithmetic number, because the mean of its divisors is an integer number (527727826).

Almost surely, 2^1055455651 is an apocalyptic number.

1055455651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055455651 is an equidigital number, since it uses as much as digits as its factorization.

1055455651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 37.

The square root of 1055455651 is about 32487.7769476460. The cubic root of 1055455651 is about 1018.1536671544.

The spelling of 1055455651 in words is "one billion, fifty-five million, four hundred fifty-five thousand, six hundred fifty-one".