55175053 has 4 divisors (see below), whose sum is σ = 56520828. Its totient is φ = 53829280.

The previous prime is 55175051. The next prime is 55175059. The reversal of 55175053 is 35057155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11377129 + 43797924 = 3373^2 + 6618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55175053 - 2¹ = 55175051 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55175051) 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, 672826 + ... + 672907.

It is an arithmetic number, because the mean of its divisors is an integer number (14130207).

Almost surely, 2^55175053 is an apocalyptic number.

It is an amenable number.

55175053 is a deficient number, since it is larger than the sum of its proper divisors (1345775).

55175053 is a wasteful number, since it uses less digits than its factorization.

55175053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345774.

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 55175053 is about 7427.9911820088. The cubic root of 55175053 is about 380.6982843820.

The spelling of 55175053 in words is "fifty-five million, one hundred seventy-five thousand, fifty-three".