53657923 has 8 divisors (see below), whose sum is σ = 59242176. Its totient is φ = 48191400.

The previous prime is 53657921. The next prime is 53657939. The reversal of 53657923 is 32975635.

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 53657923 - 2¹ = 53657921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53657921) 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 7 ways as a sum of consecutive naturals, for example, 28473 + ... + 30298.

It is an arithmetic number, because the mean of its divisors is an integer number (7405272).

Almost surely, 2^53657923 is an apocalyptic number.

53657923 is a deficient number, since it is larger than the sum of its proper divisors (5584253).

53657923 is a wasteful number, since it uses less digits than its factorization.

53657923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58865.

The product of its digits is 170100, while the sum is 40.

The square root of 53657923 is about 7325.1568583888. The cubic root of 53657923 is about 377.1764940387.

The spelling of 53657923 in words is "fifty-three million, six hundred fifty-seven thousand, nine hundred twenty-three".