55675145 has 8 divisors (see below), whose sum is σ = 66971400. Its totient is φ = 44432640.

The previous prime is 55675141. The next prime is 55675159. The reversal of 55675145 is 54157655.

It can be written as a sum of positive squares in 4 ways, for example, as 3892729 + 51782416 = 1973^2 + 7196^2 .

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

It is not a de Polignac number, because 55675145 - 2² = 55675141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55675099 and 55675108.

It is not an unprimeable number, because it can be changed into a prime (55675141) 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, 11120 + ... + 15329.

It is an arithmetic number, because the mean of its divisors is an integer number (8371425).

Almost surely, 2^55675145 is an apocalyptic number.

It is an amenable number.

55675145 is a deficient number, since it is larger than the sum of its proper divisors (11296255).

55675145 is a wasteful number, since it uses less digits than its factorization.

55675145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26875.

The product of its digits is 105000, while the sum is 38.

The square root of 55675145 is about 7461.5779162319. The cubic root of 55675145 is about 381.8450094443.

The spelling of 55675145 in words is "fifty-five million, six hundred seventy-five thousand, one hundred forty-five".