53001983 has 4 divisors (see below), whose sum is σ = 53017200. Its totient is φ = 52986768.

The previous prime is 53001979. The next prime is 53001989. The reversal of 53001983 is 38910035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53001983 - 2² = 53001979 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 (53001989) 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, 491 + ... + 10307.

It is an arithmetic number, because the mean of its divisors is an integer number (13254300).

Almost surely, 2^53001983 is an apocalyptic number.

53001983 is a deficient number, since it is larger than the sum of its proper divisors (15217).

53001983 is an equidigital number, since it uses as much as digits as its factorization.

53001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 53001983 is about 7280.2460810058. The cubic root of 53001983 is about 375.6332600899.

The spelling of 53001983 in words is "fifty-three million, one thousand, nine hundred eighty-three".