5278381141550 has 48 divisors (see below), whose sum is σ = 10814298947712. Its totient is φ = 1900776242400.

The previous prime is 5278381141547. The next prime is 5278381141609. The reversal of 5278381141550 is 551411838725.

It is a super-2 number, since 2×5278381141550² (a number of 26 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46531004 + ... + 46644303.

It is an arithmetic number, because the mean of its divisors is an integer number (225297894744).

Almost surely, 2^{5278381141550} is an apocalyptic number.

5278381141550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5278381141550 is an abundant number, since it is smaller than the sum of its proper divisors (5535917806162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5278381141550 is a wasteful number, since it uses less digits than its factorization.

5278381141550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93175433 (or 93175428 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 50.

The spelling of 5278381141550 in words is "five trillion, two hundred seventy-eight billion, three hundred eighty-one million, one hundred forty-one thousand, five hundred fifty".