55303983 has 24 divisors (see below), whose sum is σ = 95267328. Its totient is φ = 30227472.

The previous prime is 55303981. The next prime is 55303987. The reversal of 55303983 is 38930355.

It is not a de Polignac number, because 55303983 - 2¹ = 55303981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55303981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17635 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (3969472).

Almost surely, 2^55303983 is an apocalyptic number.

55303983 is a deficient number, since it is larger than the sum of its proper divisors (39963345).

55303983 is a wasteful number, since it uses less digits than its factorization.

55303983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38203 (or 38200 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 55303983 is about 7436.6647766321. The cubic root of 55303983 is about 380.9945852456.

The spelling of 55303983 in words is "fifty-five million, three hundred three thousand, nine hundred eighty-three".