53242172 has 6 divisors (see below), whose sum is σ = 93173808. Its totient is φ = 26621084.

The previous prime is 53242151. The next prime is 53242177. The reversal of 53242172 is 27124235.

53242172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53242177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655268 + ... + 6655275.

It is an arithmetic number, because the mean of its divisors is an integer number (15528968).

Almost surely, 2^53242172 is an apocalyptic number.

It is an amenable number.

53242172 is a deficient number, since it is larger than the sum of its proper divisors (39931636).

53242172 is a wasteful number, since it uses less digits than its factorization.

53242172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13310547 (or 13310545 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 53242172 is about 7296.7233742276. The cubic root of 53242172 is about 376.1998239951.

The spelling of 53242172 in words is "fifty-three million, two hundred forty-two thousand, one hundred seventy-two".