550554983 has 4 divisors (see below), whose sum is σ = 600605448. Its totient is φ = 500504520.

The previous prime is 550554973. The next prime is 550554989. The reversal of 550554983 is 389455055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550554983 is a prime.

It is a super-2 number, since 2×550554983² = 606221578612260578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550554989) 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, 25025216 + ... + 25025237.

It is an arithmetic number, because the mean of its divisors is an integer number (150151362).

Almost surely, 2^550554983 is an apocalyptic number.

550554983 is a deficient number, since it is larger than the sum of its proper divisors (50050465).

550554983 is a wasteful number, since it uses less digits than its factorization.

550554983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50050464.

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

The square root of 550554983 is about 23463.9080930692. The cubic root of 550554983 is about 819.5967594003.

The spelling of 550554983 in words is "five hundred fifty million, five hundred fifty-four thousand, nine hundred eighty-three".