1055665465 has 24 divisors (see below), whose sum is σ = 1301275008. Its totient is φ = 822101280.

The previous prime is 1055665459. The next prime is 1055665469. The reversal of 1055665465 is 5645665501.

It is not a de Polignac number, because 1055665465 - 2¹⁹ = 1055141177 is a prime.

It is a super-2 number, since 2×1055665465² = 2228859147987332450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055665469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2279824 + ... + 2280286.

It is an arithmetic number, because the mean of its divisors is an integer number (54219792).

Almost surely, 2^1055665465 is an apocalyptic number.

It is an amenable number.

1055665465 is a deficient number, since it is larger than the sum of its proper divisors (245609543).

1055665465 is an equidigital number, since it uses as much as digits as its factorization.

1055665465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The square root of 1055665465 is about 32491.0059093282. The cubic root of 1055665465 is about 1018.2211289309.

The spelling of 1055665465 in words is "one billion, fifty-five million, six hundred sixty-five thousand, four hundred sixty-five".