52454432 has 12 divisors (see below), whose sum is σ = 103269726. Its totient is φ = 26227200.

The previous prime is 52454377. The next prime is 52454443. The reversal of 52454432 is 23445425.

It can be written as a sum of positive squares in only one way, i.e., 30514576 + 21939856 = 5524^2 + 4684^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52454395 and 52454404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 819569 + ... + 819632.

Almost surely, 2^52454432 is an apocalyptic number.

It is an amenable number.

52454432 is a deficient number, since it is larger than the sum of its proper divisors (50815294).

52454432 is a wasteful number, since it uses less digits than its factorization.

52454432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639211 (or 1639203 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 52454432 is about 7242.5431997331. The cubic root of 52454432 is about 374.3352537368.

Subtracting from 52454432 its sum of digits (29), we obtain a triangular number (52454403 = T₁₀₂₄₂).

Adding to 52454432 its reverse (23445425), we get a palindrome (75899857).

The spelling of 52454432 in words is "fifty-two million, four hundred fifty-four thousand, four hundred thirty-two".