53823749 has 16 divisors (see below), whose sum is σ = 64551168. Its totient is φ = 43878912.

The previous prime is 53823733. The next prime is 53823761. The reversal of 53823749 is 94732835.

It is not a de Polignac number, because 53823749 - 2⁴ = 53823733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53823769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30869 + ... + 32565.

It is an arithmetic number, because the mean of its divisors is an integer number (4034448).

Almost surely, 2^53823749 is an apocalyptic number.

It is an amenable number.

53823749 is a deficient number, since it is larger than the sum of its proper divisors (10727419).

53823749 is a wasteful number, since it uses less digits than its factorization.

53823749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its digits is 181440, while the sum is 41.

The square root of 53823749 is about 7336.4670652842. The cubic root of 53823749 is about 377.5646401889.

The spelling of 53823749 in words is "fifty-three million, eight hundred twenty-three thousand, seven hundred forty-nine".