5478826421050 has 48 divisors (see below), whose sum is σ = 10199279670840. Its totient is φ = 2189668515840.

The previous prime is 5478826420981. The next prime is 5478826421059. The reversal of 5478826421050 is 501246288745.

It can be written as a sum of positive squares in 12 ways, for example, as 141354192841 + 5337472228209 = 375971^2 + 2310297^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5478826421059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341713834 + ... + 341729866.

Almost surely, 2^{5478826421050} is an apocalyptic number.

5478826421050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5478826421050 is a deficient number, since it is larger than the sum of its proper divisors (4720453249790).

5478826421050 is a wasteful number, since it uses less digits than its factorization.

5478826421050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21427 (or 21422 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 5478826421050 in words is "five trillion, four hundred seventy-eight billion, eight hundred twenty-six million, four hundred twenty-one thousand, fifty".