53170072 has 8 divisors (see below), whose sum is σ = 99693900. Its totient is φ = 26585032.

The previous prime is 53170069. The next prime is 53170109. The reversal of 53170072 is 27007135.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3323122 + ... + 3323137.

Almost surely, 2^53170072 is an apocalyptic number.

It is an amenable number.

53170072 is a deficient number, since it is larger than the sum of its proper divisors (46523828).

53170072 is a wasteful number, since it uses less digits than its factorization.

53170072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646265 (or 6646261 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 53170072 is about 7291.7811267207. The cubic root of 53170072 is about 376.0299319766.

The spelling of 53170072 in words is "fifty-three million, one hundred seventy thousand, seventy-two".