53433828 has 36 divisors (see below), whose sum is σ = 154365120. Its totient is φ = 15266736.

The previous prime is 53433817. The next prime is 53433829. The reversal of 53433828 is 82833435.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53433792 and 53433801.

It is not an unprimeable number, because it can be changed into a prime (53433829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105768 + ... + 106271.

It is an arithmetic number, because the mean of its divisors is an integer number (4287920).

Almost surely, 2^53433828 is an apocalyptic number.

It is an amenable number.

53433828 is an abundant number, since it is smaller than the sum of its proper divisors (100931292).

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

53433828 is a wasteful number, since it uses less digits than its factorization.

53433828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212056 (or 212051 counting only the distinct ones).

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

The square root of 53433828 is about 7309.8445947913. The cubic root of 53433828 is about 376.6506859676.

The spelling of 53433828 in words is "fifty-three million, four hundred thirty-three thousand, eight hundred twenty-eight".