5427121560 has 256 divisors, whose sum is σ = 19116518400. Its totient is φ = 1206945792.

The previous prime is 5427121543. The next prime is 5427121571. The reversal of 5427121560 is 651217245.

It is a Cunningham number, because it is equal to 73669²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6187842 + ... + 6188718.

It is an arithmetic number, because the mean of its divisors is an integer number (74673900).

Almost surely, 2^5427121560 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 5427121560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9558259200).

5427121560 is an abundant number, since it is smaller than the sum of its proper divisors (13689396840).

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

5427121560 is a wasteful number, since it uses less digits than its factorization.

5427121560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 5427121560 is about 73668.9999932129. Note that the first 5 decimals coincide. The cubic root of 5427121560 is about 1757.3429215750.

The spelling of 5427121560 in words is "five billion, four hundred twenty-seven million, one hundred twenty-one thousand, five hundred sixty".