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55887048 = 2332733173
BaseRepresentation
bin1101010100110…
…0010011001000
310220011100121200
43111030103020
5103301341143
65313504200
71246014000
oct325142310
9126140550
1055887048
1129601848
1216872060
13b769b79
1475cb000
154d8e1d3
hex354c4c8

55887048 has 192 divisors, whose sum is σ = 184704000. Its totient is φ = 15240960.

The previous prime is 55887019. The next prime is 55887053. The reversal of 55887048 is 84078855.

It is a junction number, because it is equal to n+sod(n) for n = 55886994 and 55887012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 765540 + ... + 765612.

It is an arithmetic number, because the mean of its divisors is an integer number (962000).

Almost surely, 255887048 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 55887048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92352000).

55887048 is an abundant number, since it is smaller than the sum of its proper divisors (128816952).

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

55887048 is a wasteful number, since it uses less digits than its factorization.

55887048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 45.

The square root of 55887048 is about 7475.7640412201. The cubic root of 55887048 is about 382.3288379395.

The spelling of 55887048 in words is "fifty-five million, eight hundred eighty-seven thousand, forty-eight".