38755457 has 4 divisors (see below), whose sum is σ = 41736660. Its totient is φ = 35774256.

The previous prime is 38755441. The next prime is 38755471. The reversal of 38755457 is 75455783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2563201 + 36192256 = 1601^2 + 6016^2 .

It is a cyclic number.

It is not a de Polignac number, because 38755457 - 2⁴ = 38755441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38755357) 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, 1490582 + ... + 1490607.

It is an arithmetic number, because the mean of its divisors is an integer number (10434165).

Almost surely, 2^38755457 is an apocalyptic number.

It is an amenable number.

38755457 is a deficient number, since it is larger than the sum of its proper divisors (2981203).

38755457 is a wasteful number, since it uses less digits than its factorization.

38755457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981202.

The product of its digits is 588000, while the sum is 44.

The square root of 38755457 is about 6225.3881003517. The cubic root of 38755457 is about 338.4108567747.

The spelling of 38755457 in words is "thirty-eight million, seven hundred fifty-five thousand, four hundred fifty-seven".