53103384 has 32 divisors (see below), whose sum is σ = 147510000. Its totient is φ = 17701056.

The previous prime is 53103353. The next prime is 53103397. The reversal of 53103384 is 48330135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 7 ways as a sum of consecutive naturals, for example, 122709 + ... + 123140.

Almost surely, 2^53103384 is an apocalyptic number.

53103384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

53103384 is an abundant number, since it is smaller than the sum of its proper divisors (94406616).

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

53103384 is a wasteful number, since it uses less digits than its factorization.

53103384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245864 (or 245854 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53103384 is about 7287.2068723208. The cubic root of 53103384 is about 375.8726556836.

The spelling of 53103384 in words is "fifty-three million, one hundred three thousand, three hundred eighty-four".