550781441 has 8 divisors (see below), whose sum is σ = 629643840. Its totient is φ = 471963888.

The previous prime is 550781377. The next prime is 550781447. The reversal of 550781441 is 144187055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550781441 - 2⁶ = 550781377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550781447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21470 + ... + 39528.

It is an arithmetic number, because the mean of its divisors is an integer number (78705480).

Almost surely, 2^550781441 is an apocalyptic number.

It is an amenable number.

550781441 is a deficient number, since it is larger than the sum of its proper divisors (78862399).

550781441 is a wasteful number, since it uses less digits than its factorization.

550781441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 550781441 is about 23468.7332636425. The cubic root of 550781441 is about 819.7091180241.

The spelling of 550781441 in words is "five hundred fifty million, seven hundred eighty-one thousand, four hundred forty-one".