51753983 has 4 divisors (see below), whose sum is σ = 52957608. Its totient is φ = 50550360.

The previous prime is 51753953. The next prime is 51753997. The reversal of 51753983 is 38935715.

It is a happy number.

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 51753983 - 2¹⁶ = 51688447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51753983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51753943) 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, 601748 + ... + 601833.

It is an arithmetic number, because the mean of its divisors is an integer number (13239402).

Almost surely, 2^51753983 is an apocalyptic number.

51753983 is a deficient number, since it is larger than the sum of its proper divisors (1203625).

51753983 is a wasteful number, since it uses less digits than its factorization.

51753983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203624.

The product of its digits is 113400, while the sum is 41.

The square root of 51753983 is about 7194.0241172796. The cubic root of 51753983 is about 372.6615559747.

The spelling of 51753983 in words is "fifty-one million, seven hundred fifty-three thousand, nine hundred eighty-three".