53920943 has 4 divisors (see below), whose sum is σ = 53949768. Its totient is φ = 53892120.

The previous prime is 53920931. The next prime is 53920949. The reversal of 53920943 is 34902935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34902935 = 5 ⋅6980587.

It is a cyclic number.

It is not a de Polignac number, because 53920943 - 2¹⁰ = 53919919 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 (53920949) 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, 11396 + ... + 15417.

It is an arithmetic number, because the mean of its divisors is an integer number (13487442).

Almost surely, 2^53920943 is an apocalyptic number.

53920943 is a deficient number, since it is larger than the sum of its proper divisors (28825).

53920943 is a wasteful number, since it uses less digits than its factorization.

53920943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 53920943 is about 7343.0881105976. The cubic root of 53920943 is about 377.7917701052.

The spelling of 53920943 in words is "fifty-three million, nine hundred twenty thousand, nine hundred forty-three".