53723831 has 8 divisors (see below), whose sum is σ = 61708800. Its totient is φ = 45816408.

The previous prime is 53723827. The next prime is 53723833. The reversal of 53723831 is 13832735.

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

It is a cyclic number.

It is not a de Polignac number, because 53723831 - 2² = 53723827 is a prime.

It is a super-2 number, since 2×53723831² = 5772500034633122, 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 (53723833) 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, 17891 + ... + 20676.

It is an arithmetic number, because the mean of its divisors is an integer number (7713600).

Almost surely, 2^53723831 is an apocalyptic number.

53723831 is a deficient number, since it is larger than the sum of its proper divisors (7984969).

53723831 is a wasteful number, since it uses less digits than its factorization.

53723831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38773.

The product of its digits is 15120, while the sum is 32.

The square root of 53723831 is about 7329.6542210394. The cubic root of 53723831 is about 377.3308594200.

The spelling of 53723831 in words is "fifty-three million, seven hundred twenty-three thousand, eight hundred thirty-one".