53350431 has 8 divisors (see below), whose sum is σ = 71256240. Its totient is φ = 35505792.

The previous prime is 53350399. The next prime is 53350439. The reversal of 53350431 is 13405335.

It is a happy number.

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

It is not a de Polignac number, because 53350431 - 2⁵ = 53350399 is a prime.

It is a super-2 number, since 2×53350431² = 5692536975771522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53350439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13216 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (8907030).

Almost surely, 2^53350431 is an apocalyptic number.

53350431 is a deficient number, since it is larger than the sum of its proper divisors (17905809).

53350431 is a wasteful number, since it uses less digits than its factorization.

53350431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30585.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 53350431 is about 7304.1379368136. The cubic root of 53350431 is about 376.4546310557.

Adding to 53350431 its reverse (13405335), we get a palindrome (66755766).

The spelling of 53350431 in words is "fifty-three million, three hundred fifty thousand, four hundred thirty-one".