380055550 has 24 divisors (see below), whose sum is σ = 807890256. Its totient is φ = 130304640.

The previous prime is 380055541. The next prime is 380055563. The reversal of 380055550 is 55550083.

It is a super-3 number, since 3×380055550³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542587 + ... + 543286.

It is an arithmetic number, because the mean of its divisors is an integer number (33662094).

Almost surely, 2^380055550 is an apocalyptic number.

380055550 is an abundant number, since it is smaller than the sum of its proper divisors (427834706).

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

380055550 is a wasteful number, since it uses less digits than its factorization.

380055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085892 (or 1085887 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 380055550 is about 19495.0134649864. The cubic root of 380055550 is about 724.3509371280.

The spelling of 380055550 in words is "three hundred eighty million, fifty-five thousand, five hundred fifty".