52431450 has 48 divisors (see below), whose sum is σ = 136881120. Its totient is φ = 13245120.

The previous prime is 52431433. The next prime is 52431499. The reversal of 52431450 is 5413425.

It is a self number, because there is not a number n which added to its sum of digits gives 52431450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6349 + ... + 12048.

It is an arithmetic number, because the mean of its divisors is an integer number (2851690).

Almost surely, 2^52431450 is an apocalyptic number.

52431450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52431450 is an abundant number, since it is smaller than the sum of its proper divisors (84449670).

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

52431450 is a wasteful number, since it uses less digits than its factorization.

52431450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18426 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52431450 is about 7240.9564285390. The cubic root of 52431450 is about 374.2805762501.

Adding to 52431450 its reverse (5413425), we get a palindrome (57844875).

The spelling of 52431450 in words is "fifty-two million, four hundred thirty-one thousand, four hundred fifty".