53002172 has 12 divisors (see below), whose sum is σ = 97635720. Its totient is φ = 25106256.

The previous prime is 53002171. The next prime is 53002177. The reversal of 53002172 is 27120035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53002171) 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, 348623 + ... + 348774.

It is an arithmetic number, because the mean of its divisors is an integer number (8136310).

Almost surely, 2^53002172 is an apocalyptic number.

It is an amenable number.

53002172 is a deficient number, since it is larger than the sum of its proper divisors (44633548).

53002172 is a wasteful number, since it uses less digits than its factorization.

53002172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697420 (or 697418 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 53002172 is about 7280.2590613247. The cubic root of 53002172 is about 375.6337065801.

The spelling of 53002172 in words is "fifty-three million, two thousand, one hundred seventy-two".