53857361 has 4 divisors (see below), whose sum is σ = 54380352. Its totient is φ = 53334372.

The previous prime is 53857351. The next prime is 53857369. The reversal of 53857361 is 16375835.

53857361 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 not a de Polignac number, because 53857361 - 2¹⁰ = 53856337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53857369) 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, 261341 + ... + 261546.

It is an arithmetic number, because the mean of its divisors is an integer number (13595088).

Almost surely, 2^53857361 is an apocalyptic number.

It is an amenable number.

53857361 is a deficient number, since it is larger than the sum of its proper divisors (522991).

53857361 is a wasteful number, since it uses less digits than its factorization.

53857361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522990.

The product of its digits is 75600, while the sum is 38.

The square root of 53857361 is about 7338.7574561366. The cubic root of 53857361 is about 377.6432180294.

The spelling of 53857361 in words is "fifty-three million, eight hundred fifty-seven thousand, three hundred sixty-one".