53203172 has 12 divisors (see below), whose sum is σ = 101569776. Its totient is φ = 24183240.

The previous prime is 53203153. The next prime is 53203177. The reversal of 53203172 is 27130235.

53203172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×53203172³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53203177) 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 in 3 ways as a sum of consecutive naturals, for example, 604538 + ... + 604625.

It is an arithmetic number, because the mean of its divisors is an integer number (8464148).

Almost surely, 2^53203172 is an apocalyptic number.

It is an amenable number.

53203172 is a deficient number, since it is larger than the sum of its proper divisors (48366604).

53203172 is a wasteful number, since it uses less digits than its factorization.

53203172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209178 (or 1209176 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 53203172 is about 7294.0504522522. The cubic root of 53203172 is about 376.1079458440.

The spelling of 53203172 in words is "fifty-three million, two hundred three thousand, one hundred seventy-two".