66425053 has 8 divisors (see below), whose sum is σ = 67955328. Its totient is φ = 64899744.

The previous prime is 66425041. The next prime is 66425057. The reversal of 66425053 is 35052466.

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 66425053 - 2⁹ = 66424541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66425057) 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, 44050 + ... + 45532.

It is an arithmetic number, because the mean of its divisors is an integer number (8494416).

Almost surely, 2^66425053 is an apocalyptic number.

It is an amenable number.

66425053 is a deficient number, since it is larger than the sum of its proper divisors (1530275).

66425053 is a wasteful number, since it uses less digits than its factorization.

66425053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 66425053 is about 8150.1566242619. The cubic root of 66425053 is about 404.9896923658.

The spelling of 66425053 in words is "sixty-six million, four hundred twenty-five thousand, fifty-three".