53660406 has 8 divisors (see below), whose sum is σ = 107320824. Its totient is φ = 17886800.

The previous prime is 53660401. The next prime is 53660429. The reversal of 53660406 is 60406635.

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

53660406 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53660401) 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, 4471695 + ... + 4471706.

It is an arithmetic number, because the mean of its divisors is an integer number (13415103).

Almost surely, 2^53660406 is an apocalyptic number.

53660406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53660406 is a wasteful number, since it uses less digits than its factorization.

53660406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8943406.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 53660406 is about 7325.3263408534. The cubic root of 53660406 is about 377.1823118486.

The spelling of 53660406 in words is "fifty-three million, six hundred sixty thousand, four hundred six".