388113550 has 36 divisors (see below), whose sum is σ = 793496088. Its totient is φ = 141130000.

The previous prime is 388113527. The next prime is 388113617. The reversal of 388113550 is 55311883.

388113550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26026 + ... + 38125.

It is an arithmetic number, because the mean of its divisors is an integer number (22041558).

Almost surely, 2^388113550 is an apocalyptic number.

388113550 is an abundant number, since it is smaller than the sum of its proper divisors (405382538).

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

388113550 is a wasteful number, since it uses less digits than its factorization.

388113550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64185 (or 64169 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 388113550 is about 19700.5977066687. The cubic root of 388113550 is about 729.4344465552.

The spelling of 388113550 in words is "three hundred eighty-eight million, one hundred thirteen thousand, five hundred fifty".