53755775 has 18 divisors (see below), whose sum is σ = 67808160. Its totient is φ = 42274320.

The previous prime is 53755759. The next prime is 53755777. The reversal of 53755775 is 57755735.

It is not a de Polignac number, because 53755775 - 2⁴ = 53755759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53755777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 111986 + ... + 112464.

It is an arithmetic number, because the mean of its divisors is an integer number (3767120).

Almost surely, 2^53755775 is an apocalyptic number.

53755775 is a deficient number, since it is larger than the sum of its proper divisors (14052385).

53755775 is an equidigital number, since it uses as much as digits as its factorization.

53755775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 551 counting only the distinct ones).

The product of its digits is 643125, while the sum is 44.

The square root of 53755775 is about 7331.8329904602. The cubic root of 53755775 is about 377.4056311340.

The spelling of 53755775 in words is "fifty-three million, seven hundred fifty-five thousand, seven hundred seventy-five".