47551138560 has 144 divisors (see below), whose sum is σ = 168740621280. Its totient is φ = 12680294400.

The previous prime is 47551138511. The next prime is 47551138571. The reversal of 47551138560 is 6583115574.

47551138560 is a `hidden beast` number, since 4 + 7 + 5 + 51 + 1 + 38 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×47551138560² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653391 + ... + 722510.

It is an arithmetic number, because the mean of its divisors is an integer number (1171809870).

Almost surely, 2^47551138560 is an apocalyptic number.

47551138560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47551138560 is an abundant number, since it is smaller than the sum of its proper divisors (121189482720).

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

47551138560 is a wasteful number, since it uses less digits than its factorization.

47551138560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375931 (or 1375911 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 47551138560 in words is "forty-seven billion, five hundred fifty-one million, one hundred thirty-eight thousand, five hundred sixty".