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55550508 = 22313356093
BaseRepresentation
bin1101001111101…
…0001000101100
310212112020222020
43103322020230
5103210104013
65302350140
71243112556
oct323721054
9125466866
1055550508
11293a1a12
121672b350
13b67c930
1475404d6
154d24623
hex34fa22c

55550508 has 24 divisors (see below), whose sum is σ = 139588848. Its totient is φ = 17092416.

The previous prime is 55550503. The next prime is 55550527. The reversal of 55550508 is 80505555.

55550508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55550501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177891 + ... + 178202.

It is an arithmetic number, because the mean of its divisors is an integer number (5816202).

Almost surely, 255550508 is an apocalyptic number.

It is an amenable number.

55550508 is an abundant number, since it is smaller than the sum of its proper divisors (84038340).

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

55550508 is a wasteful number, since it uses less digits than its factorization.

55550508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356113 (or 356111 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 55550508 is about 7453.2213169877. The cubic root of 55550508 is about 381.5598578170.

The spelling of 55550508 in words is "fifty-five million, five hundred fifty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 356093 712186 1068279 1424372 2136558 4273116 4629209 9258418 13887627 18516836 27775254 55550508