57221447350 has 24 divisors (see below), whose sum is σ = 108440046000. Its totient is φ = 22456717920.

The previous prime is 57221447329. The next prime is 57221447357. The reversal of 57221447350 is 5374412275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57221447357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10793850 + ... + 10799149.

It is an arithmetic number, because the mean of its divisors is an integer number (4518335250).

Almost surely, 2^57221447350 is an apocalyptic number.

57221447350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57221447350 is a deficient number, since it is larger than the sum of its proper divisors (51218598650).

57221447350 is a wasteful number, since it uses less digits than its factorization.

57221447350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21593064 (or 21593059 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 57221447350 in words is "fifty-seven billion, two hundred twenty-one million, four hundred forty-seven thousand, three hundred fifty".