53755774 has 4 divisors (see below), whose sum is σ = 80633664. Its totient is φ = 26877886.

The previous prime is 53755759. The next prime is 53755777. The reversal of 53755774 is 47755735.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53755774.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13438942 + ... + 13438945.

It is an arithmetic number, because the mean of its divisors is an integer number (20158416).

Almost surely, 2^53755774 is an apocalyptic number.

53755774 is a deficient number, since it is larger than the sum of its proper divisors (26877890).

53755774 is a wasteful number, since it uses less digits than its factorization.

53755774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26877889.

The product of its digits is 514500, while the sum is 43.

The square root of 53755774 is about 7331.8329222644. The cubic root of 53755774 is about 377.4056287938.

The spelling of 53755774 in words is "fifty-three million, seven hundred fifty-five thousand, seven hundred seventy-four".