57078449604 has 96 divisors (see below), whose sum is σ = 162768574080. Its totient is φ = 17296456320.

The previous prime is 57078449581. The next prime is 57078449621. The reversal of 57078449604 is 40694487075.

57078449604 is a `hidden beast` number, since 5 + 70 + 7 + 84 + 496 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 54789 + ... + 342284.

It is an arithmetic number, because the mean of its divisors is an integer number (1695505980).

Almost surely, 2^57078449604 is an apocalyptic number.

57078449604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57078449604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81384287040).

57078449604 is an abundant number, since it is smaller than the sum of its proper divisors (105690124476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57078449604 is a wasteful number, since it uses less digits than its factorization.

57078449604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397119 (or 397089 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 57078449604 in words is "fifty-seven billion, seventy-eight million, four hundred forty-nine thousand, six hundred four".