53752399 has 8 divisors (see below), whose sum is σ = 55843920. Its totient is φ = 51676800.

The previous prime is 53752381. The next prime is 53752411. The reversal of 53752399 is 99325735.

53752399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53752399 - 2⁵ = 53752367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53752319) 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 7 ways as a sum of consecutive naturals, for example, 3144 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (6980490).

Almost surely, 2^53752399 is an apocalyptic number.

53752399 is a deficient number, since it is larger than the sum of its proper divisors (2091521).

53752399 is a wasteful number, since it uses less digits than its factorization.

53752399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961.

The product of its digits is 255150, while the sum is 43.

The square root of 53752399 is about 7331.6027579241. The cubic root of 53752399 is about 377.3977302894.

The spelling of 53752399 in words is "fifty-three million, seven hundred fifty-two thousand, three hundred ninety-nine".