53685923 has 4 divisors (see below), whose sum is σ = 53701728. Its totient is φ = 53670120.

The previous prime is 53685889. The next prime is 53685941. The reversal of 53685923 is 32958635.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53685923 - 2¹⁶ = 53620387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53685953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (13425432).

Almost surely, 2^53685923 is an apocalyptic number.

53685923 is a deficient number, since it is larger than the sum of its proper divisors (15805).

53685923 is a wasteful number, since it uses less digits than its factorization.

53685923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804.

The product of its digits is 194400, while the sum is 41.

The square root of 53685923 is about 7327.0678309949. The cubic root of 53685923 is about 377.2420892313.

The spelling of 53685923 in words is "fifty-three million, six hundred eighty-five thousand, nine hundred twenty-three".