53440501 has 8 divisors (see below), whose sum is σ = 54331200. Its totient is φ = 52556928.

The previous prime is 53440487. The next prime is 53440511. The reversal of 53440501 is 10504435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53440501 - 2²³ = 45051893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53440511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14550 + ... + 17848.

It is an arithmetic number, because the mean of its divisors is an integer number (6791400).

Almost surely, 2^53440501 is an apocalyptic number.

It is an amenable number.

53440501 is a deficient number, since it is larger than the sum of its proper divisors (890699).

53440501 is a wasteful number, since it uses less digits than its factorization.

53440501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53440501 is about 7310.3010197939. The cubic root of 53440501 is about 376.6663644588. Note that the first 3 decimals are identical.

Adding to 53440501 its reverse (10504435), we get a palindrome (63944936).

The spelling of 53440501 in words is "fifty-three million, four hundred forty thousand, five hundred one".