53240451 has 16 divisors (see below), whose sum is σ = 81517440. Its totient is φ = 30568320.

The previous prime is 53240441. The next prime is 53240459. The reversal of 53240451 is 15404235.

It is not a de Polignac number, because 53240451 - 2⁵ = 53240419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53240459) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41830 + ... + 43083.

It is an arithmetic number, because the mean of its divisors is an integer number (5094840).

Almost surely, 2^53240451 is an apocalyptic number.

53240451 is a deficient number, since it is larger than the sum of its proper divisors (28276989).

53240451 is a wasteful number, since it uses less digits than its factorization.

53240451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84946.

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

The square root of 53240451 is about 7296.6054436292. The cubic root of 53240451 is about 376.1957705237.

Adding to 53240451 its reverse (15404235), we get a palindrome (68644686).

The spelling of 53240451 in words is "fifty-three million, two hundred forty thousand, four hundred fifty-one".