38138553 has 8 divisors (see below), whose sum is σ = 56501600. Its totient is φ = 25425684.

The previous prime is 38138539. The next prime is 38138561. The reversal of 38138553 is 35583183.

It is not a de Polignac number, because 38138553 - 2⁵ = 38138521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38138533) 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, 706243 + ... + 706296.

It is an arithmetic number, because the mean of its divisors is an integer number (7062700).

Almost surely, 2^38138553 is an apocalyptic number.

It is an amenable number.

38138553 is a deficient number, since it is larger than the sum of its proper divisors (18363047).

38138553 is a wasteful number, since it uses less digits than its factorization.

38138553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412548 (or 1412542 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 38138553 is about 6175.6419099556. The cubic root of 38138553 is about 336.6056518953.

The spelling of 38138553 in words is "thirty-eight million, one hundred thirty-eight thousand, five hundred fifty-three".