1055358717 has 24 divisors (see below), whose sum is σ = 1638590400. Its totient is φ = 602433216.

The previous prime is 1055358713. The next prime is 1055358719. The reversal of 1055358717 is 7178535501.

It is not a de Polignac number, because 1055358717 - 2² = 1055358713 is a prime.

It is a super-2 number, since 2×1055358717² = 2227564043095772178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055358713) 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, 162784 + ... + 169142.

It is an arithmetic number, because the mean of its divisors is an integer number (68274600).

Almost surely, 2^1055358717 is an apocalyptic number.

It is an amenable number.

1055358717 is a deficient number, since it is larger than the sum of its proper divisors (583231683).

1055358717 is a wasteful number, since it uses less digits than its factorization.

1055358717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7505 (or 7498 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 42.

The square root of 1055358717 is about 32486.2850600065. The cubic root of 1055358717 is about 1018.1224968161.

The spelling of 1055358717 in words is "one billion, fifty-five million, three hundred fifty-eight thousand, seven hundred seventeen".