53638172 has 12 divisors (see below), whose sum is σ = 107276400. Its totient is φ = 22987776.

The previous prime is 53638147. The next prime is 53638183. The reversal of 53638172 is 27183635.

53638172 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957797 + ... + 957852.

It is an arithmetic number, because the mean of its divisors is an integer number (8939700).

Almost surely, 2^53638172 is an apocalyptic number.

It is an amenable number.

53638172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53638172 is a wasteful number, since it uses less digits than its factorization.

53638172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915660 (or 1915658 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 53638172 is about 7323.8085720477. The cubic root of 53638172 is about 377.1302099316.

The spelling of 53638172 in words is "fifty-three million, six hundred thirty-eight thousand, one hundred seventy-two".