57211050222620 has 48 divisors (see below), whose sum is σ = 138639593584128. Its totient is φ = 19424778212160.

The previous prime is 57211050222617. The next prime is 57211050222629. The reversal of 57211050222620 is 2622205011275.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57211050222629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1983725186 + ... + 1983754025.

It is an arithmetic number, because the mean of its divisors is an integer number (2888324866336).

Almost surely, 2^{57211050222620} is an apocalyptic number.

It is an amenable number.

57211050222620 is an abundant number, since it is smaller than the sum of its proper divisors (81428543361508).

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

57211050222620 is a wasteful number, since it uses less digits than its factorization.

57211050222620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967479330 (or 3967479328 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 57211050222620 its reverse (2622205011275), we get a palindrome (59833255233895).

The spelling of 57211050222620 in words is "fifty-seven trillion, two hundred eleven billion, fifty million, two hundred twenty-two thousand, six hundred twenty".