550455983 has 24 divisors (see below), whose sum is σ = 693647136. Its totient is φ = 427584960.

The previous prime is 550455977. The next prime is 550456001. The reversal of 550455983 is 389554055.

It is not a de Polignac number, because 550455983 - 2²² = 546261679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550455923) 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, 335441 + ... + 337077.

It is an arithmetic number, because the mean of its divisors is an integer number (28901964).

Almost surely, 2^550455983 is an apocalyptic number.

550455983 is a deficient number, since it is larger than the sum of its proper divisors (143191153).

550455983 is a wasteful number, since it uses less digits than its factorization.

550455983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The square root of 550455983 is about 23461.7983752312. The cubic root of 550455983 is about 819.5476302211.

It can be divided in two parts, 550 and 455983, that added together give a cube (456533 = 77³).

The spelling of 550455983 in words is "five hundred fifty million, four hundred fifty-five thousand, nine hundred eighty-three".