53172006 has 16 divisors (see below), whose sum is σ = 109774848. Its totient is φ = 17152200.

The previous prime is 53172001. The next prime is 53172011. The reversal of 53172006 is 60027135.

It is an interprime number because it is at equal distance from previous prime (53172001) and next prime (53172011).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142750 + ... + 143121.

It is an arithmetic number, because the mean of its divisors is an integer number (6860928).

Almost surely, 2^53172006 is an apocalyptic number.

53172006 is an abundant number, since it is smaller than the sum of its proper divisors (56602842).

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

53172006 is a wasteful number, since it uses less digits than its factorization.

53172006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285907.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 53172006 is about 7291.9137405759. The cubic root of 53172006 is about 376.0344911396.

The spelling of 53172006 in words is "fifty-three million, one hundred seventy-two thousand, six".