53171830 has 16 divisors (see below), whose sum is σ = 96110784. Its totient is φ = 21179520.

The previous prime is 53171749. The next prime is 53171843. The reversal of 53171830 is 3817135.

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, 8622 + ... + 13441.

It is an arithmetic number, because the mean of its divisors is an integer number (6006924).

Almost surely, 2^53171830 is an apocalyptic number.

53171830 is a deficient number, since it is larger than the sum of its proper divisors (42938954).

53171830 is a wasteful number, since it uses less digits than its factorization.

53171830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 53171830 is about 7291.9016724034. The cubic root of 53171830 is about 376.0340762462.

Adding to 53171830 its reverse (3817135), we get a palindrome (56988965).

It can be divided in two parts, 531 and 71830, that added together give a square (72361 = 269²).

The spelling of 53171830 in words is "fifty-three million, one hundred seventy-one thousand, eight hundred thirty".