53671066 has 4 divisors (see below), whose sum is σ = 80506602. Its totient is φ = 26835532.

The previous prime is 53671063. The next prime is 53671073. The reversal of 53671066 is 66017635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66017635 = 5 ⋅13203527.

It can be written as a sum of positive squares in only one way, i.e., 49406841 + 4264225 = 7029^2 + 2065^2 .

It is a super-3 number, since 3×53671066³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53671063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13417765 + ... + 13417768.

Almost surely, 2^53671066 is an apocalyptic number.

53671066 is a deficient number, since it is larger than the sum of its proper divisors (26835536).

53671066 is a wasteful number, since it uses less digits than its factorization.

53671066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26835535.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 53671066 is about 7326.0539173555. The cubic root of 53671066 is about 377.2072867946.

The spelling of 53671066 in words is "fifty-three million, six hundred seventy-one thousand, sixty-six".