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56371445760 = 229357
BaseRepresentation
bin110100100000000000…
…000000000000000000
312101111121211011002110
4310200000000000000
51410422042231020
641521403415320
74033636245240
oct644000000000
9171447734073
1056371445760
11219a8236603
12ab12824540
135414a90186
142a2a9cdb20
1516ede008e0
hexd20000000

56371445760 has 240 divisors, whose sum is σ = 206158430016. Its totient is φ = 12884901888.

The previous prime is 56371445731. The next prime is 56371445777. The reversal of 56371445760 is 6754417365.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 8 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8053063677 + ... + 8053063683.

Almost surely, 256371445760 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 56371445760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103079215008).

56371445760 is an abundant number, since it is smaller than the sum of its proper divisors (149786984256).

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

56371445760 is an frugal number, since it uses more digits than its factorization.

56371445760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 56371445760 in words is "fifty-six billion, three hundred seventy-one million, four hundred forty-five thousand, seven hundred sixty".