57078793 has 6 divisors (see below), whose sum is σ = 60241434. Its totient is φ = 54074304.

The previous prime is 57078787. The next prime is 57078797. The reversal of 57078793 is 39787075.

It is a happy number.

57078793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54346384 + 2732409 = 7372^2 + 1653^2 .

It is not a de Polignac number, because 57078793 - 2¹⁷ = 56947721 is a prime.

It is a super-2 number, since 2×57078793² = 6515977220673698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57078797) 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 5 ways as a sum of consecutive naturals, for example, 78696 + ... + 79417.

It is an arithmetic number, because the mean of its divisors is an integer number (10040239).

Almost surely, 2^57078793 is an apocalyptic number.

It is an amenable number.

57078793 is a deficient number, since it is larger than the sum of its proper divisors (3162641).

57078793 is a wasteful number, since it uses less digits than its factorization.

57078793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158151 (or 158132 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The square root of 57078793 is about 7555.0508270957. The cubic root of 57078793 is about 385.0273618604.

The spelling of 57078793 in words is "fifty-seven million, seventy-eight thousand, seven hundred ninety-three".