53506831 has 8 divisors (see below), whose sum is σ = 64369280. Its totient is φ = 43449048.

The previous prime is 53506829. The next prime is 53506853. The reversal of 53506831 is 13860535.

53506831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53506831 - 2¹ = 53506829 is a prime.

It is a super-2 number, since 2×53506831² = 5725961927325122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 53506793 and 53506802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53506891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201021 + ... + 201286.

It is an arithmetic number, because the mean of its divisors is an integer number (8046160).

Almost surely, 2^53506831 is an apocalyptic number.

53506831 is a deficient number, since it is larger than the sum of its proper divisors (10862449).

53506831 is a wasteful number, since it uses less digits than its factorization.

53506831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402333.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 53506831 is about 7314.8363618061. The cubic root of 53506831 is about 376.8221386365.

The spelling of 53506831 in words is "fifty-three million, five hundred six thousand, eight hundred thirty-one".