57220868048 has 40 divisors (see below), whose sum is σ = 114694049736. Its totient is φ = 27636224000.

The previous prime is 57220868041. The next prime is 57220868053. The reversal of 57220868048 is 84086802275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6258708544 + 50962159504 = 79112^2 + 225748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57220867987 and 57220868005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57220868041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365561 + ... + 498072.

Almost surely, 2^57220868048 is an apocalyptic number.

It is an amenable number.

57220868048 is an abundant number, since it is smaller than the sum of its proper divisors (57473181688).

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

57220868048 is a wasteful number, since it uses less digits than its factorization.

57220868048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863783 (or 863777 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The spelling of 57220868048 in words is "fifty-seven billion, two hundred twenty million, eight hundred sixty-eight thousand, forty-eight".