53833431 has 4 divisors (see below), whose sum is σ = 71777912. Its totient is φ = 35888952.

The previous prime is 53833427. The next prime is 53833447. The reversal of 53833431 is 13433835.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53833431 - 2² = 53833427 is a prime.

It is a super-2 number, since 2×53833431² = 5796076586463522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53838431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8972236 + ... + 8972241.

It is an arithmetic number, because the mean of its divisors is an integer number (17944478).

Almost surely, 2^53833431 is an apocalyptic number.

53833431 is a deficient number, since it is larger than the sum of its proper divisors (17944481).

53833431 is a wasteful number, since it uses less digits than its factorization.

53833431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17944480.

The product of its digits is 12960, while the sum is 30.

The square root of 53833431 is about 7337.1268900027. The cubic root of 53833431 is about 377.5872780377.

The spelling of 53833431 in words is "fifty-three million, eight hundred thirty-three thousand, four hundred thirty-one".