38255556 has 24 divisors (see below), whose sum is σ = 91163520. Its totient is φ = 12480352.

The previous prime is 38255551. The next prime is 38255557. The reversal of 38255556 is 65555283.

It is not an unprimeable number, because it can be changed into a prime (38255551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33351 + ... + 34478.

It is an arithmetic number, because the mean of its divisors is an integer number (3798480).

Almost surely, 2^38255556 is an apocalyptic number.

It is an amenable number.

38255556 is an abundant number, since it is smaller than the sum of its proper divisors (52907964).

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

38255556 is a wasteful number, since it uses less digits than its factorization.

38255556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67883 (or 67881 counting only the distinct ones).

The product of its digits is 180000, while the sum is 39.

The square root of 38255556 is about 6185.1075980940. The cubic root of 38255556 is about 336.9495179837.

The spelling of 38255556 in words is "thirty-eight million, two hundred fifty-five thousand, five hundred fifty-six".