38555454 has 48 divisors (see below), whose sum is σ = 90288000. Its totient is φ = 10943856.

The previous prime is 38555431. The next prime is 38555459. The reversal of 38555454 is 45455583.

It is a super-2 number, since 2×38555454² = 2973046066292232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38555459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58177 + ... + 58835.

It is an arithmetic number, because the mean of its divisors is an integer number (1881000).

Almost surely, 2^38555454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38555454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45144000).

38555454 is an abundant number, since it is smaller than the sum of its proper divisors (51732546).

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

38555454 is a wasteful number, since it uses less digits than its factorization.

38555454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 870 counting only the distinct ones).

The product of its digits is 240000, while the sum is 39.

The square root of 38555454 is about 6209.3038257119. The cubic root of 38555454 is about 337.8277135106.

The spelling of 38555454 in words is "thirty-eight million, five hundred fifty-five thousand, four hundred fifty-four".