55175513 has 8 divisors (see below), whose sum is σ = 55847232. Its totient is φ = 54506896.

The previous prime is 55175503. The next prime is 55175539. The reversal of 55175513 is 31557155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55175513 - 2²⁰ = 54126937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55175513.

It is not an unprimeable number, because it can be changed into a prime (55175503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68831 + ... + 69627.

It is an arithmetic number, because the mean of its divisors is an integer number (6980904).

Almost surely, 2^55175513 is an apocalyptic number.

It is an amenable number.

55175513 is a deficient number, since it is larger than the sum of its proper divisors (671719).

55175513 is a wasteful number, since it uses less digits than its factorization.

55175513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 13125, while the sum is 32.

The square root of 55175513 is about 7428.0221459013. The cubic root of 55175513 is about 380.6993423524.

The spelling of 55175513 in words is "fifty-five million, one hundred seventy-five thousand, five hundred thirteen".