53423450 has 12 divisors (see below), whose sum is σ = 99367710. Its totient is φ = 21369360.

The previous prime is 53423389. The next prime is 53423471. The reversal of 53423450 is 5432435.

It can be written as a sum of positive squares in 3 ways, for example, as 50737129 + 2686321 = 7123^2 + 1639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 534185 + ... + 534284.

Almost surely, 2^53423450 is an apocalyptic number.

53423450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53423450 is a deficient number, since it is larger than the sum of its proper divisors (45944260).

53423450 is a wasteful number, since it uses less digits than its factorization.

53423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068481 (or 1068476 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 53423450 is about 7309.1346957078. The cubic root of 53423450 is about 376.6262998309.

Adding to 53423450 its reverse (5432435), we get a palindrome (58855885).

The spelling of 53423450 in words is "fifty-three million, four hundred twenty-three thousand, four hundred fifty".