38578057 has 4 divisors (see below), whose sum is σ = 44089216. Its totient is φ = 33066900.

The previous prime is 38578039. The next prime is 38578081. The reversal of 38578057 is 75087583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75087583 = 29 ⋅2589227.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38578057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38578157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2755569 + ... + 2755582.

It is an arithmetic number, because the mean of its divisors is an integer number (11022304).

Almost surely, 2^38578057 is an apocalyptic number.

It is an amenable number.

38578057 is a deficient number, since it is larger than the sum of its proper divisors (5511159).

38578057 is an equidigital number, since it uses as much as digits as its factorization.

38578057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511158.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 38578057 is about 6211.1236503551. The cubic root of 38578057 is about 337.8937173858.

The spelling of 38578057 in words is "thirty-eight million, five hundred seventy-eight thousand, fifty-seven".