53648429 has 4 divisors (see below), whose sum is σ = 53690784. Its totient is φ = 53606076.

The previous prime is 53648423. The next prime is 53648437. The reversal of 53648429 is 92484635.

53648429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-53648429 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 (53648423) 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 3 ways as a sum of consecutive naturals, for example, 19217 + ... + 21830.

It is an arithmetic number, because the mean of its divisors is an integer number (13422696).

Almost surely, 2^53648429 is an apocalyptic number.

It is an amenable number.

53648429 is a deficient number, since it is larger than the sum of its proper divisors (42355).

53648429 is a wasteful number, since it uses less digits than its factorization.

53648429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42354.

The product of its digits is 207360, while the sum is 41.

The square root of 53648429 is about 7324.5087889906. The cubic root of 53648429 is about 377.1542474027.

The spelling of 53648429 in words is "fifty-three million, six hundred forty-eight thousand, four hundred twenty-nine".