57052207640 has 16 divisors (see below), whose sum is σ = 128367467280. Its totient is φ = 22820883040.

The previous prime is 57052207607. The next prime is 57052207651. The reversal of 57052207640 is 4670225075.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57052207594 and 57052207603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713152556 + ... + 713152635.

It is an arithmetic number, because the mean of its divisors is an integer number (8022966705).

Almost surely, 2^57052207640 is an apocalyptic number.

It is an amenable number.

57052207640 is an abundant number, since it is smaller than the sum of its proper divisors (71315259640).

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

57052207640 is a wasteful number, since it uses less digits than its factorization.

57052207640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426305202 (or 1426305198 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 38.

The spelling of 57052207640 in words is "fifty-seven billion, fifty-two million, two hundred seven thousand, six hundred forty".