38385550 has 24 divisors (see below), whose sum is σ = 81597456. Its totient is φ = 13160640.

The previous prime is 38385521. The next prime is 38385563. The reversal of 38385550 is 5558383.

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, 54487 + ... + 55186.

It is an arithmetic number, because the mean of its divisors is an integer number (3399894).

Almost surely, 2^38385550 is an apocalyptic number.

38385550 is an abundant number, since it is smaller than the sum of its proper divisors (43211906).

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

38385550 is a wasteful number, since it uses less digits than its factorization.

38385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109692 (or 109687 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 38385550 is about 6195.6073148643. The cubic root of 38385550 is about 337.3307427489.

The spelling of 38385550 in words is "thirty-eight million, three hundred eighty-five thousand, five hundred fifty".