53502172 has 12 divisors (see below), whose sum is σ = 94681440. Its totient is φ = 26450336.

The previous prime is 53502167. The next prime is 53502173. The reversal of 53502172 is 27120535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53502173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74788 + ... + 75499.

It is an arithmetic number, because the mean of its divisors is an integer number (7890120).

Almost surely, 2^53502172 is an apocalyptic number.

It is an amenable number.

53502172 is a deficient number, since it is larger than the sum of its proper divisors (41179268).

53502172 is a wasteful number, since it uses less digits than its factorization.

53502172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150380 (or 150378 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 53502172 is about 7314.5178925203. The cubic root of 53502172 is about 376.8112013084.

The spelling of 53502172 in words is "fifty-three million, five hundred two thousand, one hundred seventy-two".