Search a number
-
+
55893494880 = 25335172113607
BaseRepresentation
bin110100000011100000…
…110000110001100000
312100021022110201202000
4310003200300301200
51403432213314010
641402131324000
74016043603366
oct640340606140
9170238421660
1055893494880
1121782469a83
12a9ba750600
135369a580c2
1429c3337636
1516c1e907c0
hexd03830c60

55893494880 has 384 divisors, whose sum is σ = 208174095360. Its totient is φ = 13957816320.

The previous prime is 55893494809. The next prime is 55893494903. The reversal of 55893494880 is 8849439855.

55893494880 is a `hidden beast` number, since 5 + 58 + 93 + 494 + 8 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15494037 + ... + 15497643.

It is an arithmetic number, because the mean of its divisors is an integer number (542120040).

Almost surely, 255893494880 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 55893494880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104087047680).

55893494880 is an abundant number, since it is smaller than the sum of its proper divisors (152280600480).

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

55893494880 is a wasteful number, since it uses less digits than its factorization.

55893494880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3845 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 55893494880 in words is "fifty-five billion, eight hundred ninety-three million, four hundred ninety-four thousand, eight hundred eighty".