38551442 has 4 divisors (see below), whose sum is σ = 57827166. Its totient is φ = 19275720.

The previous prime is 38551441. The next prime is 38551453. The reversal of 38551442 is 24415583.

38551442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24415583 = 3121 ⋅7823.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 3279721 = 5939^2 + 1811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38551399 and 38551408.

It is not an unprimeable number, because it can be changed into a prime (38551441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9637859 + ... + 9637862.

Almost surely, 2^38551442 is an apocalyptic number.

38551442 is a deficient number, since it is larger than the sum of its proper divisors (19275724).

38551442 is a wasteful number, since it uses less digits than its factorization.

38551442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19275723.

The product of its digits is 19200, while the sum is 32.

The square root of 38551442 is about 6208.9807537147. The cubic root of 38551442 is about 337.8159952221.

The spelling of 38551442 in words is "thirty-eight million, five hundred fifty-one thousand, four hundred forty-two".