55782450250 has 16 divisors (see below), whose sum is σ = 104424747336. Its totient is φ = 22312980000.

The previous prime is 55782450203. The next prime is 55782450259. The reversal of 55782450250 is 5205428755.

55782450250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7528859361 + 48253590889 = 86769^2 + 219667^2 .

It is a super-2 number, since 2×55782450250² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55782450197 and 55782450206.

It is not an unprimeable number, because it can be changed into a prime (55782450259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111564651 + ... + 111565150.

Almost surely, 2^55782450250 is an apocalyptic number.

55782450250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55782450250 is a deficient number, since it is larger than the sum of its proper divisors (48642297086).

55782450250 is a wasteful number, since it uses less digits than its factorization.

55782450250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223129818 (or 223129808 counting only the distinct ones).

The product of its (nonzero) digits is 560000, while the sum is 43.

The spelling of 55782450250 in words is "fifty-five billion, seven hundred eighty-two million, four hundred fifty thousand, two hundred fifty".