53343828 has 18 divisors (see below), whose sum is σ = 134841434. Its totient is φ = 17781264.

The previous prime is 53343799. The next prime is 53343833. The reversal of 53343828 is 82834335.

53343828 is a `hidden beast` number, since 533 + 43 + 82 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 374544 = 7278^2 + 612^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1481773 = 53343828 / (5 + 3 + 3 + 4 + 3 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 53343792 and 53343801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 740851 + ... + 740922.

Almost surely, 2^53343828 is an apocalyptic number.

It is an amenable number.

53343828 is an abundant number, since it is smaller than the sum of its proper divisors (81497606).

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

53343828 is a wasteful number, since it uses less digits than its factorization.

53343828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481783 (or 1481778 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 53343828 is about 7303.6859187673. The cubic root of 53343828 is about 376.4390995818.

The spelling of 53343828 in words is "fifty-three million, three hundred forty-three thousand, eight hundred twenty-eight".