53103000 has 128 divisors (see below), whose sum is σ = 171325440. Its totient is φ = 13680000.

The previous prime is 53102993. The next prime is 53103013. The reversal of 53103000 is 30135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92715 + ... + 93285.

It is an arithmetic number, because the mean of its divisors is an integer number (1338480).

Almost surely, 2^53103000 is an apocalyptic number.

53103000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85662720).

53103000 is an abundant number, since it is smaller than the sum of its proper divisors (118222440).

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

53103000 is a wasteful number, since it uses less digits than its factorization.

53103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 53103000 is about 7287.1805247297. The cubic root of 53103000 is about 375.8717496808.

Adding to 53103000 its reverse (30135), we get a palindrome (53133135).

The spelling of 53103000 in words is "fifty-three million, one hundred three thousand".