38550550 has 12 divisors (see below), whose sum is σ = 71704116. Its totient is φ = 15420200.

The previous prime is 38550521. The next prime is 38550571. The reversal of 38550550 is 5505583.

It is a super-2 number, since 2×38550550² = 2972289810605000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 385456 + ... + 385555.

It is an arithmetic number, because the mean of its divisors is an integer number (5975343).

Almost surely, 2^38550550 is an apocalyptic number.

38550550 is a deficient number, since it is larger than the sum of its proper divisors (33153566).

38550550 is a wasteful number, since it uses less digits than its factorization.

38550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771023 (or 771018 counting only the distinct ones).

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

The square root of 38550550 is about 6208.9089218638. The cubic root of 38550550 is about 337.8133897494.

The spelling of 38550550 in words is "thirty-eight million, five hundred fifty thousand, five hundred fifty".