5051221560 has 768 divisors, whose sum is σ = 22530493440. Its totient is φ = 985374720.

The previous prime is 5051221559. The next prime is 5051221583. The reversal of 5051221560 is 651221505.

5051221560 is a `hidden beast` number, since 50 + 51 + 2 + 2 + 1 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12723282 + ... + 12723678.

It is an arithmetic number, because the mean of its divisors is an integer number (29336580).

Almost surely, 2^5051221560 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 5051221560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11265246720).

5051221560 is an abundant number, since it is smaller than the sum of its proper divisors (17479271880).

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

5051221560 is a wasteful number, since it uses less digits than its factorization.

5051221560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 5051221560 is about 71071.9463642301. The cubic root of 5051221560 is about 1715.7952956460.

The spelling of 5051221560 in words is "five billion, fifty-one million, two hundred twenty-one thousand, five hundred sixty".