5555375280 has 400 divisors, whose sum is σ = 23749771584. Its totient is φ = 1171998720.

The previous prime is 5555375279. The next prime is 5555375281. The reversal of 5555375280 is 825735555.

5555375280 is a `hidden beast` number, since 5 + 5 + 553 + 75 + 28 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5555375279) and next prime (5555375281).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5555375281) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 584970 + ... + 594390.

Almost surely, 2^5555375280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5555375280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11874885792).

5555375280 is an abundant number, since it is smaller than the sum of its proper divisors (18194396304).

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

5555375280 is a wasteful number, since it uses less digits than its factorization.

5555375280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466 (or 9451 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The square root of 5555375280 is about 74534.3899149916. The cubic root of 5555375280 is about 1771.0784579607.

The spelling of 5555375280 in words is "five billion, five hundred fifty-five million, three hundred seventy-five thousand, two hundred eighty".