28554050450 has 24 divisors (see below), whose sum is σ = 53196669972. Its totient is φ = 11403096320.

The previous prime is 28554050381. The next prime is 28554050453. The reversal of 28554050450 is 5405045582.

It can be written as a sum of positive squares in 6 ways, for example, as 33258289 + 28520792161 = 5767^2 + 168881^2 .

It is a super-2 number, since 2×28554050450² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28554050453) 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 11 ways as a sum of consecutive naturals, for example, 431939 + ... + 493638.

Almost surely, 2^28554050450 is an apocalyptic number.

28554050450 is a deficient number, since it is larger than the sum of its proper divisors (24642619522).

28554050450 is a wasteful number, since it uses less digits than its factorization.

28554050450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926206 (or 926201 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 28554050450 in words is "twenty-eight billion, five hundred fifty-four million, fifty thousand, four hundred fifty".