53785033 has 4 divisors (see below), whose sum is σ = 53999568. Its totient is φ = 53570500.

The previous prime is 53785007. The next prime is 53785037. The reversal of 53785033 is 33058735.

It is a happy number.

53785033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53785033 - 2¹⁷ = 53653961 is a prime.

It is a super-2 number, since 2×53785033² = 5785659549622178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53785033.

It is not an unprimeable number, because it can be changed into a prime (53785037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106891 + ... + 107392.

It is an arithmetic number, because the mean of its divisors is an integer number (13499892).

Almost surely, 2^53785033 is an apocalyptic number.

It is an amenable number.

53785033 is a deficient number, since it is larger than the sum of its proper divisors (214535).

53785033 is a wasteful number, since it uses less digits than its factorization.

53785033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214534.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 53785033 is about 7333.8279908926. The cubic root of 53785033 is about 377.4740897089.

The spelling of 53785033 in words is "fifty-three million, seven hundred eighty-five thousand, thirty-three".