53690172 has 12 divisors (see below), whose sum is σ = 125277096. Its totient is φ = 17896720.

The previous prime is 53690159. The next prime is 53690173. The reversal of 53690172 is 27109635.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53690173) 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, 2237079 + ... + 2237102.

It is an arithmetic number, because the mean of its divisors is an integer number (10439758).

Almost surely, 2^53690172 is an apocalyptic number.

It is an amenable number.

53690172 is an abundant number, since it is smaller than the sum of its proper divisors (71586924).

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

53690172 is a wasteful number, since it uses less digits than its factorization.

53690172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474188 (or 4474186 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 53690172 is about 7327.3577775348. The cubic root of 53690172 is about 377.2520413085.

The spelling of 53690172 in words is "fifty-three million, six hundred ninety thousand, one hundred seventy-two".