57228444377 has 16 divisors (see below), whose sum is σ = 65269411200. Its totient is φ = 49708584192.

The previous prime is 57228444373. The next prime is 57228444401. The reversal of 57228444377 is 77344482275.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57228444377 - 2² = 57228444373 is a prime.

It is a super-2 number, since 2×57228444377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57228444373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169198 + ... + 1217160.

It is an arithmetic number, because the mean of its divisors is an integer number (4079338200).

Almost surely, 2^57228444377 is an apocalyptic number.

It is an amenable number.

57228444377 is a deficient number, since it is larger than the sum of its proper divisors (8040966823).

57228444377 is a wasteful number, since it uses less digits than its factorization.

57228444377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53392.

The product of its digits is 10536960, while the sum is 53.

The spelling of 57228444377 in words is "fifty-seven billion, two hundred twenty-eight million, four hundred forty-four thousand, three hundred seventy-seven".