550720247 has 24 divisors (see below), whose sum is σ = 710551968. Its totient is φ = 417510720.

The previous prime is 550720243. The next prime is 550720267. The reversal of 550720247 is 742027055.

It is not a de Polignac number, because 550720247 - 2² = 550720243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550720243) 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, 22553 + ... + 40125.

It is an arithmetic number, because the mean of its divisors is an integer number (29606332).

Almost surely, 2^550720247 is an apocalyptic number.

550720247 is a deficient number, since it is larger than the sum of its proper divisors (159831721).

550720247 is a wasteful number, since it uses less digits than its factorization.

550720247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17639 (or 17628 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 550720247 is about 23467.4294928098. The cubic root of 550720247 is about 819.6787592564.

The spelling of 550720247 in words is "five hundred fifty million, seven hundred twenty thousand, two hundred forty-seven".