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55450884 = 22323200909
BaseRepresentation
bin1101001110000…
…1110100000100
310212100012022110
43103201310010
5103143412014
65300301020
71242216246
oct323416404
9125305273
1055450884
1129334085
12166a1770
13b646498
147516096
154d04d59
hex34e1d04

55450884 has 24 divisors (see below), whose sum is σ = 135011520. Its totient is φ = 17679904.

The previous prime is 55450883. The next prime is 55450903. The reversal of 55450884 is 48805455.

It is not an unprimeable number, because it can be changed into a prime (55450883) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 100179 + ... + 100730.

It is an arithmetic number, because the mean of its divisors is an integer number (5625480).

Almost surely, 255450884 is an apocalyptic number.

It is an amenable number.

55450884 is an abundant number, since it is smaller than the sum of its proper divisors (79560636).

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

55450884 is a wasteful number, since it uses less digits than its factorization.

55450884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200939 (or 200937 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The square root of 55450884 is about 7446.5350331547. The cubic root of 55450884 is about 381.3316254861.

The spelling of 55450884 in words is "fifty-five million, four hundred fifty thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 200909 401818 602727 803636 1205454 2410908 4620907 9241814 13862721 18483628 27725442 55450884