550481720 has 16 divisors (see below), whose sum is σ = 1238583960. Its totient is φ = 220192672.

The previous prime is 550481713. The next prime is 550481731. The reversal of 550481720 is 27184055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6880982 + ... + 6881061.

Almost surely, 2^550481720 is an apocalyptic number.

It is an amenable number.

550481720 is an abundant number, since it is smaller than the sum of its proper divisors (688102240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550481720 is a wasteful number, since it uses less digits than its factorization.

550481720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13762054 (or 13762050 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 550481720 is about 23462.3468561864. The cubic root of 550481720 is about 819.5604028855.

The spelling of 550481720 in words is "five hundred fifty million, four hundred eighty-one thousand, seven hundred twenty".