57778601 has 4 divisors (see below), whose sum is σ = 60819600. Its totient is φ = 54737604.

The previous prime is 57778583. The next prime is 57778607. The reversal of 57778601 is 10687775.

57778601 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57778601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57778607) 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, 1520471 + ... + 1520508.

It is an arithmetic number, because the mean of its divisors is an integer number (15204900).

Almost surely, 2^57778601 is an apocalyptic number.

It is an amenable number.

57778601 is a deficient number, since it is larger than the sum of its proper divisors (3040999).

57778601 is a wasteful number, since it uses less digits than its factorization.

57778601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040998.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 57778601 is about 7601.2236514919. The cubic root of 57778601 is about 386.5945025686.

The spelling of 57778601 in words is "fifty-seven million, seven hundred seventy-eight thousand, six hundred one".