557641922450 has 18 divisors (see below), whose sum is σ = 1037223797301. Its totient is φ = 223054656840.

The previous prime is 557641922437. The next prime is 557641922479. The reversal of 557641922450 is 54229146755.

It can be written as a sum of positive squares in 2 ways, for example, as 546489084001 + 11152838449 = 739249^2 + 105607^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=528035.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5227547 + ... + 5333153.

Almost surely, 2^557641922450 is an apocalyptic number.

557641922450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

557641922450 is a deficient number, since it is larger than the sum of its proper divisors (479581874851).

557641922450 is an frugal number, since it uses more digits than its factorization.

557641922450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211226 (or 105614 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

Multiplying 557641922450 by its sum of digits (50), we get a square (27882096122500 = 5280350²).

557641922450 divided by its sum of digits (50) gives a square (11152838449 = 105607²).

The spelling of 557641922450 in words is "five hundred fifty-seven billion, six hundred forty-one million, nine hundred twenty-two thousand, four hundred fifty".