56147227508736 has 1360 divisors, whose sum is σ = 210936112848384. Its totient is φ = 14487134404608.

The previous prime is 56147227508683. The next prime is 56147227508753. The reversal of 56147227508736 is 63780572274165.

It is a happy number.

56147227508736 is a `hidden beast` number, since 5 + 6 + 1 + 4 + 72 + 27 + 508 + 7 + 36 = 666.

It is a super-2 number, since 2×56147227508736² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 22704093996 + ... + 22704096468.

Almost surely, 2^{56147227508736} is an apocalyptic number.

56147227508736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56147227508736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105468056424192).

56147227508736 is an abundant number, since it is smaller than the sum of its proper divisors (154788885339648).

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

56147227508736 is an equidigital number, since it uses as much as digits as its factorization.

56147227508736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584 (or 2545 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 63.

The spelling of 56147227508736 in words is "fifty-six trillion, one hundred forty-seven billion, two hundred twenty-seven million, five hundred eight thousand, seven hundred thirty-six".