53705066 has 4 divisors (see below), whose sum is σ = 80557602. Its totient is φ = 26852532.

The previous prime is 53705021. The next prime is 53705083. The reversal of 53705066 is 66050735.

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

It can be written as a sum of positive squares in only one way, i.e., 48511225 + 5193841 = 6965^2 + 2279^2 .

It is a super-3 number, since 3×53705066³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13426265 + ... + 13426268.

Almost surely, 2^53705066 is an apocalyptic number.

53705066 is a deficient number, since it is larger than the sum of its proper divisors (26852536).

53705066 is a wasteful number, since it uses less digits than its factorization.

53705066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26852535.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 53705066 is about 7328.3740352141. The cubic root of 53705066 is about 377.2869221331.

The spelling of 53705066 in words is "fifty-three million, seven hundred five thousand, sixty-six".