57078049 has 4 divisors (see below), whose sum is σ = 65232064. Its totient is φ = 48924036.

The previous prime is 57078023. The next prime is 57078059. The reversal of 57078049 is 94087075.

57078049 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57078049 - 2⁵ = 57078017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57078059) 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 in 3 ways as a sum of consecutive naturals, for example, 4076997 + ... + 4077010.

It is an arithmetic number, because the mean of its divisors is an integer number (16308016).

Almost surely, 2^57078049 is an apocalyptic number.

It is an amenable number.

57078049 is a deficient number, since it is larger than the sum of its proper divisors (8154015).

57078049 is an equidigital number, since it uses as much as digits as its factorization.

57078049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154014.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57078049 is about 7555.0015883519. The cubic root of 57078049 is about 385.0256889588.

The spelling of 57078049 in words is "fifty-seven million, seventy-eight thousand, forty-nine".