52172450 has 48 divisors (see below), whose sum is σ = 109546560. Its totient is φ = 18312000.

The previous prime is 52172447. The next prime is 52172503. The reversal of 52172450 is 5427125.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14315 + ... + 17585.

It is an arithmetic number, because the mean of its divisors is an integer number (2282220).

Almost surely, 2^52172450 is an apocalyptic number.

52172450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52172450 is an abundant number, since it is smaller than the sum of its proper divisors (57374110).

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

52172450 is a wasteful number, since it uses less digits than its factorization.

52172450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 52172450 is about 7223.0499098373. The cubic root of 52172450 is about 373.6632703684.

Adding to 52172450 its reverse (5427125), we get a palindrome (57599575).

It can be divided in two parts, 5217 and 2450, that added together give a palindrome (7667).

The spelling of 52172450 in words is "fifty-two million, one hundred seventy-two thousand, four hundred fifty".