52173655 has 8 divisors (see below), whose sum is σ = 62647200. Its totient is φ = 41713056.

The previous prime is 52173643. The next prime is 52173661. The reversal of 52173655 is 55637125.

52173655 = 1858² + 1859² + ... + 1872².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52173655 - 2¹¹ = 52171607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52173655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13701 + ... + 17089.

It is an arithmetic number, because the mean of its divisors is an integer number (7830900).

Almost surely, 2^52173655 is an apocalyptic number.

52173655 is a deficient number, since it is larger than the sum of its proper divisors (10473545).

52173655 is a wasteful number, since it uses less digits than its factorization.

52173655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6473.

The product of its digits is 31500, while the sum is 34.

The square root of 52173655 is about 7223.1333228731. The cubic root of 52173655 is about 373.6661471151. Note that the first 3 decimals are identical.

The spelling of 52173655 in words is "fifty-two million, one hundred seventy-three thousand, six hundred fifty-five".