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55240892928 = 29321331151197
BaseRepresentation
bin110011011100100111…
…010010001000000000
312021120211111010011100
4303130213102020000
51401113132033203
641213300014400
73663630561654
oct633447221000
9167524433140
1055240892928
1121478053521
12a858091400
1352947a29c0
1429607baa64
151684a31ea3
hexcdc9d2200

55240892928 has 480 divisors, whose sum is σ = 179310523392. Its totient is φ = 16257024000.

The previous prime is 55240892887. The next prime is 55240892929. The reversal of 55240892928 is 82929804255.

It is a happy number.

55240892928 is a `hidden beast` number, since 5 + 524 + 0 + 8 + 92 + 9 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (55240892929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 280410526 + ... + 280410722.

Almost surely, 255240892928 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 55240892928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89655261696).

55240892928 is an abundant number, since it is smaller than the sum of its proper divisors (124069630464).

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

55240892928 is a wasteful number, since it uses less digits than its factorization.

55240892928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 55240892928 in words is "fifty-five billion, two hundred forty million, eight hundred ninety-two thousand, nine hundred twenty-eight".