53775933 has 4 divisors (see below), whose sum is σ = 71701248. Its totient is φ = 35850620.

The previous prime is 53775923. The next prime is 53775937. The reversal of 53775933 is 33957735.

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 53775933 - 2⁵ = 53775901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53775937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8962653 + ... + 8962658.

It is an arithmetic number, because the mean of its divisors is an integer number (17925312).

Almost surely, 2^53775933 is an apocalyptic number.

It is an amenable number.

53775933 is a deficient number, since it is larger than the sum of its proper divisors (17925315).

53775933 is a wasteful number, since it uses less digits than its factorization.

53775933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925314.

The product of its digits is 297675, while the sum is 42.

The square root of 53775933 is about 7333.2075519516. The cubic root of 53775933 is about 377.4527999698.

The spelling of 53775933 in words is "fifty-three million, seven hundred seventy-five thousand, nine hundred thirty-three".