5651521560 has 48 divisors (see below), whose sum is σ = 18367446240. Its totient is φ = 1507072320.

The previous prime is 5651521553. The next prime is 5651521571. The reversal of 5651521560 is 651251565.

5651521560 is a `hidden beast` number, since 5 + 65 + 15 + 21 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7848976 + ... + 7849695.

It is an arithmetic number, because the mean of its divisors is an integer number (382655130).

Almost surely, 2^5651521560 is an apocalyptic number.

It is an amenable number.

5651521560 is an abundant number, since it is smaller than the sum of its proper divisors (12715924680).

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

5651521560 is a wasteful number, since it uses less digits than its factorization.

5651521560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15698688 (or 15698681 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5651521560 is about 75176.6024771005. The cubic root of 5651521560 is about 1781.2373629390.

The spelling of 5651521560 in words is "five billion, six hundred fifty-one million, five hundred twenty-one thousand, five hundred sixty".