17055431 has 4 divisors (see below), whose sum is σ = 17069664. Its totient is φ = 17041200.

The previous prime is 17055427. The next prime is 17055433. The reversal of 17055431 is 13455071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13455071 = 7 ⋅1922153.

It is a cyclic number.

It is not a de Polignac number, because 17055431 - 2² = 17055427 is a prime.

It is a super-2 number, since 2×17055431² = 581775453191522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17055431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17055433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (4267416).

Almost surely, 2^17055431 is an apocalyptic number.

17055431 is a deficient number, since it is larger than the sum of its proper divisors (14233).

17055431 is a wasteful number, since it uses less digits than its factorization.

17055431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 17055431 is about 4129.8221511344. The cubic root of 17055431 is about 257.4073239245.

The spelling of 17055431 in words is "seventeen million, fifty-five thousand, four hundred thirty-one".