53831000 has 32 divisors (see below), whose sum is σ = 125966880. Its totient is φ = 21532000.

The previous prime is 53830979. The next prime is 53831051. The reversal of 53831000 is 13835.

53831000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×53831000² = 5795553122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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, 25916 + ... + 27915.

It is an arithmetic number, because the mean of its divisors is an integer number (3936465).

Almost surely, 2^53831000 is an apocalyptic number.

53831000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53831000 is an abundant number, since it is smaller than the sum of its proper divisors (72135880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53831000 is a wasteful number, since it uses less digits than its factorization.

53831000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53852 (or 53838 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 53831000 is about 7336.9612238310. The cubic root of 53831000 is about 377.5815942802.

Adding to 53831000 its reverse (13835), we get a palindrome (53844835).

The spelling of 53831000 in words is "fifty-three million, eight hundred thirty-one thousand".